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**
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** This file contains pre-release code and may not be distributed.
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** contained in the Technology Preview License Agreement accompanying
** this package.
**
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
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#include "qprinterinfo.h"
#include <qfile.h>
#include <qfileinfo.h>
#include <qdir.h>
#include <qprintdialog.h>
#include <qlibrary.h>
#include <qtextstream.h>
#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
# include <private/qcups_p.h>
# include <cups/cups.h>
# include <private/qpdf_p.h>
#endif
#include <private/qprinterinfo_unix_p.h>
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;
}
};
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
void qt_perhapsAddPrinter(QList<QPrinterDescription> *printers, const QString &name,
QString host, QString comment,
QStringList aliases)
{
for (int i = 0; i < printers->size(); ++i)
if (printers->at(i).samePrinter(name))
return;
#ifndef QT_NO_PRINTDIALOG
if (host.isEmpty())
host = QPrintDialog::tr("locally connected");
#endif
printers->append(QPrinterDescription(name.simplified(), host.simplified(), comment.simplified(), aliases));
}
void qt_parsePrinterDesc(QString printerDesc, QList<QPrinterDescription> *printers)
{
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('|'));
#ifndef QT_NO_PRINTDIALOG
// try extracting a comment from the aliases
printerComment = QPrintDialog::tr("Aliases: %1")
.arg(aliases.join(QLatin1String(", ")));
#endif
} 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())
qt_perhapsAddPrinter(printers, printerName, printerHost, printerComment,
aliases);
}
int qt_parsePrintcap(QList<QPrinterDescription> *printers, const QString& fileName)
{
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(':')
|| line.isEmpty()) {
printerDesc += line;
if (!atEnd)
continue;
}
qt_parsePrinterDesc(printerDesc, printers);
// add the first line of the new printer definition
printerDesc = line;
}
delete[] line_ascii;
return Success;
}
/*!
\internal
Checks $HOME/.printers for a line matching '_default <name>' (where
<name> does not contain any white space). The first such match
results in <name> being returned.
If no lines match then an empty string is returned.
*/
QString qt_getDefaultFromHomePrinters()
{
QFile file(QDir::homePath() + QLatin1String("/.printers"));
if (!file.open(QIODevice::ReadOnly))
return QString();
QString all(QLatin1String(file.readAll()));
QStringList words = all.split(QRegExp(QLatin1String("\\W+")), QString::SkipEmptyParts);
const int i = words.indexOf(QLatin1String("_default"));
if (i != -1 && i < words.size() - 1)
return words.at(i + 1);
return QString();
}
// solaris, not 2.6
void qt_parseEtcLpPrinters(QList<QPrinterDescription> *printers)
{
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)
qt_perhapsAddPrinter(printers, printer.fileName(),
printerHost, QLatin1String(""));
}
delete[] line;
}
}
}
// solaris 2.6
char *qt_parsePrintersConf(QList<QPrinterDescription> *printers, bool *found)
{
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('|'));
#ifndef QT_NO_PRINTDIALOG
printerComment = QPrintDialog::tr("Aliases: %1")
.arg(aliases.join(QLatin1String(", ")));
#endif
}
// 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())
qt_perhapsAddPrinter(printers, printerName, printerHost,
printerComment, aliases);
// chop away the line, for processing the next one
printerDesc = QString();
}
}
delete[] line;
return defaultPrinter;
}
#ifndef QT_NO_NIS
#if defined(Q_C_CALLBACKS)
extern "C" {
#endif
int qt_pd_foreach(int /*status */, char * /*key */, int /*keyLen */,
char *val, int valLen, char *data)
{
qt_parsePrinterDesc(QString::fromLatin1(val, valLen), (QList<QPrinterDescription> *)data);
return 0;
}
#if defined(Q_C_CALLBACKS)
}
#endif
int qt_retrieveNisPrinters(QList<QPrinterDescription> *printers)
{
#ifndef QT_NO_LIBRARY
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) qt_pd_foreach;
cb.data = (char *) printers;
err = _ypAll(domain, printersConfByname, &cb);
}
if (!err)
return Success;
}
#endif //QT_NO_LIBRARY
return Unavail;
}
#endif // QT_NO_NIS
char *qt_parseNsswitchPrintersEntry(QList<QPrinterDescription> *printers, char *line)
{
#define skipSpaces() \
while (line[k] != '\0' && 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 (line[k] != '\0' && !isspace((uchar) line[k]) && line[k] != '[') {
source += line[k];
k++;
}
if (source == "user") {
lastStatus = qt_parsePrintcap(printers,
QDir::homePath() + QLatin1String("/.printers"));
} else if (source == "files") {
bool found;
defaultPrinter = qt_parsePrintersConf(printers, &found);
if (found)
lastStatus = Success;
#ifndef QT_NO_NIS
} else if (source == "nis") {
lastStatus = qt_retrieveNisPrinters(printers);
#endif
} else {
// nisplus, dns, etc., are not implemented yet
lastStatus = NotFound;
}
stop = (lastStatus == Success);
}
}
return defaultPrinter;
}
char *qt_parseNsswitchConf(QList<QPrinterDescription> *printers)
{
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 = qt_parseNsswitchPrintersEntry(printers, line);
delete[] line;
return defaultPrinter;
}
}
strcpy(line, "printers: user files nis nisplus xfn");
defaultPrinter = qt_parseNsswitchPrintersEntry(printers, line);
delete[] line;
return defaultPrinter;
}
// HP-UX
void qt_parseEtcLpMember(QList<QPrinterDescription> *printers)
{
QDir lp(QLatin1String("/etc/lp/member"));
if (!lp.exists())
return;
QFileInfoList dirs = lp.entryInfoList();
if (dirs.isEmpty())
return;
#ifdef QT_NO_PRINTDIALOG
Q_UNUSED(printers);
#else
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())
qt_perhapsAddPrinter(printers, printer.fileName(),
QPrintDialog::tr("unknown"),
QLatin1String(""));
}
#endif
}
// IRIX 6.x
void qt_parseSpoolInterface(QList<QPrinterDescription> *printers)
{
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()) {
qt_perhapsAddPrinter(printers, printer.fileName(),
QLatin1String(""), namePrinter);
} else {
QString comment;
comment = namePrinter;
comment += QLatin1String(" (");
comment += hostPrinter;
comment += QLatin1Char(')');
qt_perhapsAddPrinter(printers, printer.fileName(),
hostName, comment);
}
}
}
// Every unix must have its own. It's a standard. Here is AIX.
void qt_parseQconfig(QList<QPrinterDescription> *printers)
{
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
qt_perhapsAddPrinter(printers, stanzaName, remoteHost,
QString());
else if (deviceName.length()) // local printer
qt_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());
}
int qt_getLprPrinters(QList<QPrinterDescription>& printers)
{
QByteArray etcLpDefault;
qt_parsePrintcap(&printers, QLatin1String("/etc/printcap"));
qt_parseEtcLpMember(&printers);
qt_parseSpoolInterface(&printers);
qt_parseQconfig(&printers);
QFileInfo f;
f.setFile(QLatin1String("/etc/lp/printers"));
if (f.isDir()) {
qt_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(QLatin1String("^(\\S+)"));
if (rx.indexIn(QString::fromLatin1(etcLpDefault)) != -1)
etcLpDefault = rx.cap(1).toAscii();
}
}
}
char *def = 0;
f.setFile(QLatin1String("/etc/nsswitch.conf"));
if (f.isFile()) {
def = qt_parseNsswitchConf(&printers);
} else {
f.setFile(QLatin1String("/etc/printers.conf"));
if (f.isFile())
def = qt_parsePrintersConf(&printers);
}
if (def) {
etcLpDefault = def;
delete [] def;
}
QString homePrintersDefault = qt_getDefaultFromHomePrinters();
// all printers hopefully known. try to find a good default
QString dollarPrinter;
{
dollarPrinter = QString::fromLocal8Bit(qgetenv("PRINTER"));
if (dollarPrinter.isEmpty())
dollarPrinter = QString::fromLocal8Bit(qgetenv("LPDEST"));
if (dollarPrinter.isEmpty())
dollarPrinter = QString::fromLocal8Bit(qgetenv("NPRINTER"));
if (dollarPrinter.isEmpty())
dollarPrinter = QString::fromLocal8Bit(qgetenv("NGPRINTER"));
#ifndef QT_NO_PRINTDIALOG
if (!dollarPrinter.isEmpty())
qt_perhapsAddPrinter(&printers, dollarPrinter,
QPrintDialog::tr("unknown"),
QLatin1String(""));
#endif
}
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 < 5 && name == dollarPrinter) {
best = i;
quality = 5;
} else if (quality < 4 && !homePrintersDefault.isEmpty() &&
name == homePrintersDefault) {
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;
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
QList<QPrinterInfo> QPrinterInfo::availablePrinters()
{
QList<QPrinterInfo> list;
#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
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;
}
} else {
#endif
QList<QPrinterDescription> lprPrinters;
int defprn = qt_getLprPrinters(lprPrinters);
// populating printer combo
QList<QPrinterDescription>::const_iterator i = lprPrinters.constBegin();
for(; i != lprPrinters.constEnd(); ++i) {
list.append(QPrinterInfo((*i).name));
}
if (defprn >= 0 && defprn < lprPrinters.size()) {
list[defprn].d_ptr->m_default = true;
}
#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
}
#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) && !defined(QT_NO_LIBRARY)
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;
d->m_cupsPrinterIndex = i;
return;
}
}
} else {
#endif
QList<QPrinterDescription> lprPrinters;
int defprn = qt_getLprPrinters(lprPrinters);
// populating printer combo
QList<QPrinterDescription>::const_iterator i = lprPrinters.constBegin();
int c;
for(c = 0; i != lprPrinters.constEnd(); ++i, ++c) {
if (i->name == printer.printerName()) {
if (defprn == c)
d->m_default = true;
return;
}
}
#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
}
#endif
// Printer not found.
d_ptr.reset(&nullQPrinterInfoPrivate);
}
QPrinterInfo::QPrinterInfo(const QString& name)
: d_ptr(new QPrinterInfoPrivate(name))
{
d_ptr->q_ptr = this;
}
QPrinterInfo::~QPrinterInfo()
{
}
QPrinterInfo& QPrinterInfo::operator=(const QPrinterInfo& src)
{
Q_ASSERT(d_ptr);
d_ptr.reset(new QPrinterInfoPrivate(*src.d_ptr));
d_ptr->q_ptr = this;
return *this;
}
QString QPrinterInfo::printerName() const
{
const Q_D(QPrinterInfo);
return d->m_name;
}
bool QPrinterInfo::isNull() const
{
const Q_D(QPrinterInfo);
return d->m_isNull;
}
bool QPrinterInfo::isDefault() const
{
const Q_D(QPrinterInfo);
return d->m_default;
}
QList< QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const
{
const Q_D(QPrinterInfo);
if (d->m_mustGetPaperSizes) {
d->m_mustGetPaperSizes = false;
#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
QCUPSSupport cups;
if (QCUPSSupport::isAvailable()) {
// Find paper sizes from CUPS.
cups.setCurrentPrinter(d->m_cupsPrinterIndex);
const ppd_option_t* sizes = cups.pageSizes();
if (sizes) {
for (int j = 0; j < sizes->num_choices; ++j) {
d->m_paperSizes.append(
QPrinterInfoPrivate::string2PaperSize(
QLatin1String(sizes->choices[j].choice)));
}
}
}
#endif
}
return d->m_paperSizes;
}
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
QPrinterInfoPrivate::QPrinterInfoPrivate()
{
m_isNull = true;
m_default = false;
m_mustGetPaperSizes = true;
m_cupsPrinterIndex = 0;
q_ptr = 0;
}
QPrinterInfoPrivate::QPrinterInfoPrivate(const QString& name)
{
m_name = name;
m_isNull = false;
m_default = false;
m_mustGetPaperSizes = true;
m_cupsPrinterIndex = 0;
q_ptr = 0;
}
QPrinterInfoPrivate::~QPrinterInfoPrivate()
{
}
QPrinter::PaperSize QPrinterInfoPrivate::string2PaperSize(const QString& str)
{
if (str == QLatin1String("A4")) {
return QPrinter::A4;
} else if (str == QLatin1String("B5")) {
return QPrinter::B5;
} else if (str == QLatin1String("Letter")) {
return QPrinter::Letter;
} else if (str == QLatin1String("Legal")) {
return QPrinter::Legal;
} else if (str == QLatin1String("Executive")) {
return QPrinter::Executive;
} else if (str == QLatin1String("A0")) {
return QPrinter::A0;
} else if (str == QLatin1String("A1")) {
return QPrinter::A1;
} else if (str == QLatin1String("A2")) {
return QPrinter::A2;
} else if (str == QLatin1String("A3")) {
return QPrinter::A3;
} else if (str == QLatin1String("A5")) {
return QPrinter::A5;
} else if (str == QLatin1String("A6")) {
return QPrinter::A6;
} else if (str == QLatin1String("A7")) {
return QPrinter::A7;
} else if (str == QLatin1String("A8")) {
return QPrinter::A8;
} else if (str == QLatin1String("A9")) {
return QPrinter::A9;
} else if (str == QLatin1String("B0")) {
return QPrinter::B0;
} else if (str == QLatin1String("B1")) {
return QPrinter::B1;
} else if (str == QLatin1String("B10")) {
return QPrinter::B10;
} else if (str == QLatin1String("B2")) {
return QPrinter::B2;
} else if (str == QLatin1String("B3")) {
return QPrinter::B3;
} else if (str == QLatin1String("B4")) {
return QPrinter::B4;
} else if (str == QLatin1String("B6")) {
return QPrinter::B6;
} else if (str == QLatin1String("B7")) {
return QPrinter::B7;
} else if (str == QLatin1String("B8")) {
return QPrinter::B8;
} else if (str == QLatin1String("B9")) {
return QPrinter::B9;
} else if (str == QLatin1String("C5E")) {
return QPrinter::C5E;
} else if (str == QLatin1String("Comm10E")) {
return QPrinter::Comm10E;
} else if (str == QLatin1String("DLE")) {
return QPrinter::DLE;
} else if (str == QLatin1String("Folio")) {
return QPrinter::Folio;
} else if (str == QLatin1String("Ledger")) {
return QPrinter::Ledger;
} else if (str == QLatin1String("Tabloid")) {
return QPrinter::Tabloid;
} else {
return QPrinter::Custom;
}
}
QString QPrinterInfoPrivate::pageSize2String(QPrinter::PaperSize size)
{
switch (size) {
case QPrinter::A4:
return QLatin1String("A4");
case QPrinter::B5:
return QLatin1String("B5");
case QPrinter::Letter:
return QLatin1String("Letter");
case QPrinter::Legal:
return QLatin1String("Legal");
case QPrinter::Executive:
return QLatin1String("Executive");
case QPrinter::A0:
return QLatin1String("A0");
case QPrinter::A1:
return QLatin1String("A1");
case QPrinter::A2:
return QLatin1String("A2");
case QPrinter::A3:
return QLatin1String("A3");
case QPrinter::A5:
return QLatin1String("A5");
case QPrinter::A6:
return QLatin1String("A6");
case QPrinter::A7:
return QLatin1String("A7");
case QPrinter::A8:
return QLatin1String("A8");
case QPrinter::A9:
return QLatin1String("A9");
case QPrinter::B0:
return QLatin1String("B0");
case QPrinter::B1:
return QLatin1String("B1");
case QPrinter::B10:
return QLatin1String("B10");
case QPrinter::B2:
return QLatin1String("B2");
case QPrinter::B3:
return QLatin1String("B3");
case QPrinter::B4:
return QLatin1String("B4");
case QPrinter::B6:
return QLatin1String("B6");
case QPrinter::B7:
return QLatin1String("B7");
case QPrinter::B8:
return QLatin1String("B8");
case QPrinter::B9:
return QLatin1String("B9");
case QPrinter::C5E:
return QLatin1String("C5E");
case QPrinter::Comm10E:
return QLatin1String("Comm10E");
case QPrinter::DLE:
return QLatin1String("DLE");
case QPrinter::Folio:
return QLatin1String("Folio");
case QPrinter::Ledger:
return QLatin1String("Ledger");
case QPrinter::Tabloid:
return QLatin1String("Tabloid");
default:
return QLatin1String("Custom");
}
}
#endif // QT_NO_PRINTER
QT_END_NAMESPACE