summaryrefslogtreecommitdiffstats
path: root/src/printsupport/kernel/qprintengine_pdf.cpp
diff options
context:
space:
mode:
authorJohn Layt <jlayt@kde.org>2012-05-09 23:47:14 +0100
committerQt by Nokia <qt-info@nokia.com>2012-05-31 17:40:55 +0200
commitf70924e9ccc016b979bc74bba156600639184be7 (patch)
treea470d6ac093035526cbc3840e0588d33c003e05f /src/printsupport/kernel/qprintengine_pdf.cpp
parent704bd686315deeaf86a15d1eb37af56b0b0e184b (diff)
QtPrintSupport: Add CUPS printsupport plugin
Move CUPS code around to create a new CUPS printsupport plugin, this fixes QPrinterInfo for CUPS which depends on the plugin to work. It QT_NO_CUPS is defined then the plugin is not built and only Print to PDF is supported under Linux. * Move unused genericiunixprintersupport plugin to start new CUPS printsupport plugin * Split QPdfPrintEngine to create QCupsPrintEngine * Remove LPR related code from QPdfPrintEngine * Move CUPS specific code from plugin base class to derived CUPS class * Remove forcing CUPS print engine to use PDF mode as PDF is now Native * Move qt_getCupsPrinterPaperSizes from qprinterinfo_unix to QCUPSSupport * Remove qprinterinfo_unix as no longer used * Remove all QT_NO_LPR uses There is now no CUPS specific code left in printsupport/kernel except QCUPSSupport which is needed for the dialogs. Task-number: QTBUG-23060 Change-Id: Ie8fa4512a2424edc8943068e0fa9fb714cc42db9 Reviewed-by: Teemu Katajisto <teemu.katajisto@digia.com> Reviewed-by: Lars Knoll <lars.knoll@nokia.com> Reviewed-by: John Layt <jlayt@kde.org>
Diffstat (limited to 'src/printsupport/kernel/qprintengine_pdf.cpp')
-rw-r--r--src/printsupport/kernel/qprintengine_pdf.cpp305
1 files changed, 11 insertions, 294 deletions
diff --git a/src/printsupport/kernel/qprintengine_pdf.cpp b/src/printsupport/kernel/qprintengine_pdf.cpp
index d3140b4621..af1dcecd95 100644
--- a/src/printsupport/kernel/qprintengine_pdf.cpp
+++ b/src/printsupport/kernel/qprintengine_pdf.cpp
@@ -39,20 +39,19 @@
**
****************************************************************************/
-#include <QtPrintSupport/qprintengine.h>
+#include "qprintengine_pdf_p.h"
+
+#ifndef QT_NO_PRINTER
#include <qiodevice.h>
#include <qfile.h>
#include <qdebug.h>
#include <qbuffer.h>
-#include "private/qcups_p.h"
#include "qprinterinfo.h"
-#ifndef QT_NO_PRINTER
#include <limits.h>
#include <math.h>
-#include "qprintengine_pdf_p.h"
#ifdef Q_OS_UNIX
#include "private/qcore_unix_p.h" // overrides QT_OPEN
@@ -95,32 +94,12 @@ const char *QPdf::paperSizeToString(QPrinter::PaperSize paperSize)
QPdfPrintEngine::QPdfPrintEngine(QPrinter::PrinterMode m)
: QPdfEngine(*new QPdfPrintEnginePrivate(m))
{
- Q_D(QPdfPrintEngine);
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (QCUPSSupport::isAvailable()) {
- QCUPSSupport cups;
- const cups_dest_t* printers = cups.availablePrinters();
- int prnCount = cups.availablePrintersCount();
-
- for (int i = 0; i < prnCount; ++i) {
- if (printers[i].is_default) {
- d->printerName = QString::fromLocal8Bit(printers[i].name);
- break;
- }
- }
-
- } else
-#endif
- {
- d->printerName = QString::fromLocal8Bit(qgetenv("PRINTER"));
- if (d->printerName.isEmpty())
- d->printerName = QString::fromLocal8Bit(qgetenv("LPDEST"));
- if (d->printerName.isEmpty())
- d->printerName = QString::fromLocal8Bit(qgetenv("NPRINTER"));
- if (d->printerName.isEmpty())
- d->printerName = QString::fromLocal8Bit(qgetenv("NGPRINTER"));
- }
+ state = QPrinter::Idle;
+}
+QPdfPrintEngine::QPdfPrintEngine(QPdfPrintEnginePrivate &p)
+ : QPdfEngine(p)
+{
state = QPrinter::Idle;
}
@@ -221,18 +200,6 @@ void QPdfPrintEngine::setProperty(PrintEnginePropertyKey key, const QVariant &va
case PPK_Duplex:
d->duplex = static_cast<QPrinter::DuplexMode> (value.toInt());
break;
- case PPK_CupsPageRect:
- d->cupsPageRect = value.toRect();
- break;
- case PPK_CupsPaperRect:
- d->cupsPaperRect = value.toRect();
- break;
- case PPK_CupsOptions:
- d->cupsOptions = value.toStringList();
- break;
- case PPK_CupsStringPageSize:
- d->cupsStringPageSize = value.toString();
- break;
case PPK_CustomPaperSize:
d->printerPaperSize = QPrinter::Custom;
d->customPaperSize = value.toSizeF();
@@ -278,20 +245,10 @@ QVariant QPdfPrintEngine::property(PrintEnginePropertyKey key) const
ret = d->copies;
break;
case PPK_SupportsMultipleCopies:
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (QCUPSSupport::isAvailable())
- ret = true;
- else
-#endif
- ret = false;
+ ret = false;
break;
case PPK_NumberOfCopies:
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (QCUPSSupport::isAvailable())
- ret = 1;
- else
-#endif
- ret = d->copies;
+ ret = d->copies;
break;
case PPK_Orientation:
ret = d->landscape ? QPrinter::Landscape : QPrinter::Portrait;
@@ -335,18 +292,6 @@ QVariant QPdfPrintEngine::property(PrintEnginePropertyKey key) const
case PPK_Duplex:
ret = d->duplex;
break;
- case PPK_CupsPageRect:
- ret = d->cupsPageRect;
- break;
- case PPK_CupsPaperRect:
- ret = d->cupsPaperRect;
- break;
- case PPK_CupsOptions:
- ret = d->cupsOptions;
- break;
- case PPK_CupsStringPageSize:
- ret = d->cupsStringPageSize;
- break;
case PPK_CustomPaperSize:
ret = d->customPaperSize;
break;
@@ -365,28 +310,6 @@ QVariant QPdfPrintEngine::property(PrintEnginePropertyKey key) const
}
-#ifndef QT_NO_LPR
-static void closeAllOpenFds()
-{
- // hack time... getting the maximum number of open
- // files, if possible. if not we assume it's the
- // larger of 256 and the fd we got
- int i;
-#if defined(_SC_OPEN_MAX)
- i = (int)sysconf(_SC_OPEN_MAX);
-#elif defined(_POSIX_OPEN_MAX)
- i = (int)_POSIX_OPEN_MAX;
-#elif defined(OPEN_MAX)
- i = (int)OPEN_MAX;
-#else
- i = 256;
-#endif
- // leave stdin/out/err untouched
- while(--i > 2)
- QT_CLOSE(i);
-}
-#endif
-
bool QPdfPrintEnginePrivate::openPrintDevice()
{
if (outDevice)
@@ -399,130 +322,6 @@ bool QPdfPrintEnginePrivate::openPrintDevice()
return false;
}
outDevice = file;
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- } else if (QCUPSSupport::isAvailable()) {
- QCUPSSupport cups;
- QPair<int, QString> ret = cups.tempFd();
- if (ret.first < 0) {
- qWarning("QPdfPrinter: Could not open temporary file to print");
- return false;
- }
- cupsTempFile = ret.second;
- outDevice = new QFile();
- static_cast<QFile *>(outDevice)->open(ret.first, QIODevice::WriteOnly);
-#endif
-#ifndef QT_NO_LPR
- } else {
- QString pr;
- if (!printerName.isEmpty())
- pr = printerName;
- int fds[2];
- if (qt_safe_pipe(fds) != 0) {
- qWarning("QPdfPrinter: Could not open pipe to print");
- return false;
- }
-
- pid_t pid = fork();
- if (pid == 0) { // child process
- // if possible, exit quickly, so the actual lp/lpr
- // becomes a child of init, and ::waitpid() is
- // guaranteed not to wait.
- if (fork() > 0) {
- closeAllOpenFds();
-
- // try to replace this process with "true" - this prevents
- // global destructors from being called (that could possibly
- // do wrong things to the parent process)
- (void)execlp("true", "true", (char *)0);
- (void)execl("/bin/true", "true", (char *)0);
- (void)execl("/usr/bin/true", "true", (char *)0);
- ::_exit(0);
- }
- qt_safe_dup2(fds[0], 0, 0);
-
- closeAllOpenFds();
-
- if (!printProgram.isEmpty()) {
- if (!selectionOption.isEmpty())
- pr.prepend(selectionOption);
- else
- pr.prepend(QLatin1String("-P"));
- (void)execlp(printProgram.toLocal8Bit().data(), printProgram.toLocal8Bit().data(),
- pr.toLocal8Bit().data(), (char *)0);
- } else {
- // if no print program has been specified, be smart
- // about the option string too.
- QList<QByteArray> lprhack;
- QList<QByteArray> lphack;
- QByteArray media;
- if (!pr.isEmpty() || !selectionOption.isEmpty()) {
- if (!selectionOption.isEmpty()) {
- QStringList list = selectionOption.split(QLatin1Char(' '));
- for (int i = 0; i < list.size(); ++i)
- lprhack.append(list.at(i).toLocal8Bit());
- lphack = lprhack;
- } else {
- lprhack.append("-P");
- lphack.append("-d");
- }
- lprhack.append(pr.toLocal8Bit());
- lphack.append(pr.toLocal8Bit());
- }
- lphack.append("-s");
-
- char ** lpargs = new char *[lphack.size()+6];
- char lp[] = "lp";
- lpargs[0] = lp;
- int i;
- for (i = 0; i < lphack.size(); ++i)
- lpargs[i+1] = (char *)lphack.at(i).constData();
-#ifndef Q_OS_OSF
- if (QPdf::paperSizeToString(printerPaperSize)) {
- char dash_o[] = "-o";
- lpargs[++i] = dash_o;
- lpargs[++i] = const_cast<char *>(QPdf::paperSizeToString(printerPaperSize));
- lpargs[++i] = dash_o;
- media = "media=";
- media += QPdf::paperSizeToString(printerPaperSize);
- lpargs[++i] = media.data();
- }
-#endif
- lpargs[++i] = 0;
- char **lprargs = new char *[lprhack.size()+2];
- char lpr[] = "lpr";
- lprargs[0] = lpr;
- for (int i = 0; i < lprhack.size(); ++i)
- lprargs[i+1] = (char *)lprhack[i].constData();
- lprargs[lprhack.size() + 1] = 0;
- (void)execvp("lp", lpargs);
- (void)execvp("lpr", lprargs);
- (void)execv("/bin/lp", lpargs);
- (void)execv("/bin/lpr", lprargs);
- (void)execv("/usr/bin/lp", lpargs);
- (void)execv("/usr/bin/lpr", lprargs);
-
- delete []lpargs;
- delete []lprargs;
- }
- // if we couldn't exec anything, close the fd,
- // wait for a second so the parent process (the
- // child of the GUI process) has exited. then
- // exit.
- QT_CLOSE(0);
- (void)::sleep(1);
- ::_exit(0);
- }
- // parent process
- QT_CLOSE(fds[0]);
- fd = fds[1];
- (void)qt_safe_waitpid(pid, 0, 0);
-
- if (fd < 0)
- return false;
-
- outDevice = new QFile();
- static_cast<QFile *>(outDevice)->open(fd, QIODevice::WriteOnly);
-#endif
}
return true;
@@ -542,85 +341,6 @@ void QPdfPrintEnginePrivate::closePrintDevice()
delete outDevice;
outDevice = 0;
}
-
-#if !defined(QT_NO_CUPS) && !defined(QT_NO_LIBRARY)
- if (!cupsTempFile.isEmpty()) {
- QString tempFile = cupsTempFile;
- cupsTempFile.clear();
- QCUPSSupport cups;
-
- // Set up print options.
- QByteArray prnName;
- QList<QPair<QByteArray, QByteArray> > options;
- QVector<cups_option_t> cupsOptStruct;
-
- if (!printerName.isEmpty()) {
- prnName = printerName.toLocal8Bit();
- } else {
- QPrinterInfo def = QPrinterInfo::defaultPrinter();
- if (def.isNull()) {
- qWarning("Could not determine printer to print to");
- QFile::remove(tempFile);
- return;
- }
- prnName = def.printerName().toLocal8Bit();
- }
-
- if (!cupsStringPageSize.isEmpty()) {
- options.append(QPair<QByteArray, QByteArray>("media", cupsStringPageSize.toLocal8Bit()));
- }
-
- if (copies > 1) {
- options.append(QPair<QByteArray, QByteArray>("copies", QString::number(copies).toLocal8Bit()));
- }
-
- if (collate) {
- options.append(QPair<QByteArray, QByteArray>("Collate", "True"));
- }
-
- switch (duplex) {
- case QPrinter::DuplexNone:
- options.append(QPair<QByteArray, QByteArray>("sides", "one-sided"));
- break;
- case QPrinter::DuplexAuto:
- if (!landscape)
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-long-edge"));
- else
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-short-edge"));
- break;
- case QPrinter::DuplexLongSide:
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-long-edge"));
- break;
- case QPrinter::DuplexShortSide:
- options.append(QPair<QByteArray, QByteArray>("sides", "two-sided-short-edge"));
- break;
- }
-
- if (QCUPSSupport::cupsVersion() >= 10300 && landscape) {
- options.append(QPair<QByteArray, QByteArray>("landscape", ""));
- }
-
- QStringList::const_iterator it = cupsOptions.constBegin();
- while (it != cupsOptions.constEnd()) {
- options.append(QPair<QByteArray, QByteArray>((*it).toLocal8Bit(), (*(it+1)).toLocal8Bit()));
- it += 2;
- }
-
- for (int c = 0; c < options.size(); ++c) {
- cups_option_t opt;
- opt.name = options[c].first.data();
- opt.value = options[c].second.data();
- cupsOptStruct.append(opt);
- }
-
- // Print the file.
- cups_option_t* optPtr = cupsOptStruct.size() ? &cupsOptStruct.first() : 0;
- cups.printFile(prnName.constData(), tempFile.toLocal8Bit().constData(),
- title.toLocal8Bit().constData(), cupsOptStruct.size(), optPtr);
-
- QFile::remove(tempFile);
- }
-#endif
}
@@ -651,10 +371,7 @@ void QPdfPrintEnginePrivate::updatePaperSize()
{
if (printerPaperSize == QPrinter::Custom) {
paperSize = customPaperSize;
- } else if (!cupsPaperRect.isNull()) {
- QRect r = cupsPaperRect;
- paperSize = r.size();
- } else{
+ } else {
QPdf::PaperSize s = QPdf::paperSize(printerPaperSize);
paperSize = QSize(s.width, s.height);
}