diff options
Diffstat (limited to 'src/gui/painting/qprinterinfo_unix.cpp')
| -rw-r--r-- | src/gui/painting/qprinterinfo_unix.cpp | 927 |
1 files changed, 0 insertions, 927 deletions
diff --git a/src/gui/painting/qprinterinfo_unix.cpp b/src/gui/painting/qprinterinfo_unix.cpp deleted file mode 100644 index aa220aad57..0000000000 --- a/src/gui/painting/qprinterinfo_unix.cpp +++ /dev/null @@ -1,927 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser 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 ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qprinterinfo.h" -#include "qprinterinfo_p.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 - -#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY) -// preserver names in ascending order for the binary search -static const struct NamedPaperSize { - const char *const name; - QPrinter::PaperSize size; -} named_sizes_map[QPrinter::NPageSize] = { - { "A0", QPrinter::A0 }, - { "A1", QPrinter::A1 }, - { "A2", QPrinter::A2 }, - { "A3", QPrinter::A3 }, - { "A4", QPrinter::A4 }, - { "A5", QPrinter::A5 }, - { "A6", QPrinter::A6 }, - { "A7", QPrinter::A7 }, - { "A8", QPrinter::A8 }, - { "A9", QPrinter::A9 }, - { "B0", QPrinter::B0 }, - { "B1", QPrinter::B1 }, - { "B10", QPrinter::B10 }, - { "B2", QPrinter::B2 }, - { "B4", QPrinter::B4 }, - { "B5", QPrinter::B5 }, - { "B6", QPrinter::B6 }, - { "B7", QPrinter::B7 }, - { "B8", QPrinter::B8 }, - { "B9", QPrinter::B9 }, - { "C5E", QPrinter::C5E }, - { "Comm10E", QPrinter::Comm10E }, - { "Custom", QPrinter::Custom }, - { "DLE", QPrinter::DLE }, - { "Executive", QPrinter::Executive }, - { "Folio", QPrinter::Folio }, - { "Ledger", QPrinter::Ledger }, - { "Legal", QPrinter::Legal }, - { "Letter", QPrinter::Letter }, - { "Tabloid", QPrinter::Tabloid } -}; - -inline bool operator<(const char *name, const NamedPaperSize &data) -{ return qstrcmp(name, data.name) < 0; } -inline bool operator<(const NamedPaperSize &data, const char *name) -{ return qstrcmp(data.name, name) < 0; } - -static inline QPrinter::PaperSize string2PaperSize(const char *name) -{ - const NamedPaperSize *r = qBinaryFind(named_sizes_map, named_sizes_map + QPrinter::NPageSize, name); - if (r - named_sizes_map != QPrinter::NPageSize) - return r->size; - return QPrinter::Custom; -} - -static inline const char *paperSize2String(QPrinter::PaperSize size) -{ - for (int i = 0; i < QPrinter::NPageSize; ++i) { - if (size == named_sizes_map[i].size) - return named_sizes_map[i].name; - } - return 0; -} -#endif - -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 - } - - QRegExp ps(QLatin1String("[^a-z]ps(?:[^a-z]|$)")); - QRegExp lp(QLatin1String("[^a-z]lp(?:[^a-z]|$)")); - - int quality = 0; - int best = 0; - for (int i = 0; i < printers.size(); ++i) { - 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> 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() -{ - QList<QPrinterInfo> printers = availablePrinters(); - foreach (const QPrinterInfo &printerInfo, printers) { - if (printerInfo.isDefault()) - return printerInfo; - } - - return printers.value(0); -} - -QList<QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const -{ -#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY) - const Q_D(QPrinterInfo); - - if (isNull()) - return d->paperSizes; - - if (!d->hasPaperSizes) { - d->hasPaperSizes = true; - - if (QCUPSSupport::isAvailable()) { - // Find paper sizes from CUPS. - QCUPSSupport cups; - cups.setCurrentPrinter(d->cupsPrinterIndex); - const ppd_option_t* sizes = cups.pageSizes(); - if (sizes) { - for (int j = 0; j < sizes->num_choices; ++j) - d->paperSizes.append(string2PaperSize(sizes->choices[j].choice)); - } - } - } - - return d->paperSizes; -#else - return QList<QPrinter::PaperSize>(); -#endif -} - -#endif // QT_NO_PRINTER - -QT_END_NAMESPACE |