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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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;
+ QList<QPrinter::PaperSize> m_paperSizes;
+
+ QPrinterInfo* q_ptr;
+};
+
+static QPrinterInfoPrivate nullQPrinterInfoPrivate;
+
+/////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////
+
+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)
+{
+ 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;
+ }
+ 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 += QLatin1String("/") + QString::fromLocal8Bit(cupsPrinters[i].instance);
+ list.append(QPrinterInfo(printerName));
+ if (cupsPrinters[i].is_default)
+ list[i].d_ptr->m_default = true;
+ // Find paper sizes.
+ cups.setCurrentPrinter(i);
+ const ppd_option_t* sizes = cups.pageSizes();
+ if (sizes) {
+ for (int j = 0; j < sizes->num_choices; ++j) {
+ list[i].d_ptr->m_paperSizes.append(
+ QPrinterInfoPrivate::string2PaperSize(
+ QLatin1String(sizes->choices[j].choice)));
+ }
+ }
+ }
+ } 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 += QLatin1String("/") + QString::fromLocal8Bit(cupsPrinters[i].instance);
+ if (printerName == printer.printerName()) {
+ if (cupsPrinters[i].is_default)
+ d->m_default = true;
+ // Find paper sizes.
+ cups.setCurrentPrinter(i);
+ 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)));
+ }
+ }
+ 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.
+ delete d;
+ d_ptr = &nullQPrinterInfoPrivate;
+}
+
+QPrinterInfo::QPrinterInfo(const QString& name)
+{
+ d_ptr = new QPrinterInfoPrivate(name);
+ d_ptr->q_ptr = this;
+}
+
+QPrinterInfo::~QPrinterInfo()
+{
+ if (d_ptr != &nullQPrinterInfoPrivate)
+ delete d_ptr;
+}
+
+QPrinterInfo& QPrinterInfo::operator=(const QPrinterInfo& src)
+{
+ Q_ASSERT(d_ptr);
+ if (d_ptr != &nullQPrinterInfoPrivate)
+ delete d_ptr;
+ d_ptr = 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);
+ return d->m_paperSizes;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////
+
+QPrinterInfoPrivate::QPrinterInfoPrivate()
+{
+ m_isNull = true;
+ m_default = false;
+ q_ptr = 0;
+}
+
+QPrinterInfoPrivate::QPrinterInfoPrivate(const QString& name)
+{
+ m_name = name;
+ m_isNull = false;
+ m_default = false;
+ 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-18 17:31:00 +0000