mirror of
https://invent.kde.org/network/falkon.git
synced 2024-11-13 18:42:11 +01:00
407 lines
16 KiB
C++
407 lines
16 KiB
C++
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/***************************************************************************
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* Copyright (C) 2007,2010 by John Layt <john@layt.net> *
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* *
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* Adaptations for QupZilla *
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* Copyright (C) 2016 by Kevin Kofler <kevin.kofler@chello.at> *
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* *
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* FilePrinterPreview based on KPrintPreview (originally LGPL) *
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* Copyright (c) 2007 Alex Merry <huntedhacker@tiscali.co.uk> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "fileprinter.h"
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#include <QtPrintSupport/QPrinter>
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#include <QPrintEngine>
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#include <QStringList>
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#include <QSize>
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#include <QtCore/QFile>
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#include <QtCore/QFileInfo>
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#include <QtCore/QProcess>
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#include <QtWidgets/QLabel>
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#include <QtGui/QShowEvent>
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#include <QtNetwork/QTcpSocket>
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#include <QStandardPaths>
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using namespace Qz;
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void FilePrinter::printFile( QPrinter *printer, const QString &file,
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FileDeletePolicy fileDeletePolicy,
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PageSelectPolicy pageSelectPolicy, const QString &pageRange )
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{
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FilePrinter fp;
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fp.doPrintFile( *printer, file, fileDeletePolicy, pageSelectPolicy, pageRange );
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}
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void FilePrinter::doPrintFile( QPrinter &printer, const QString &file, FileDeletePolicy fileDeletePolicy,
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PageSelectPolicy pageSelectPolicy, const QString &pageRange )
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{
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if (!QFile::exists(file)) {
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return;
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}
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bool doDeleteFile = (fileDeletePolicy == FilePrinter::SystemDeletesFiles);
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if ( printer.printerState() == QPrinter::Aborted || printer.printerState() == QPrinter::Error ) {
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if ( doDeleteFile ) {
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QFile::remove( file );
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}
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return;
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}
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// Print to a printer via lpr command
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//Decide what executable to use to print with, need the CUPS version of lpr if available
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//Some distros name the CUPS version of lpr as lpr-cups or lpr.cups so try those first
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//before default to lpr, or failing that to lp
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QString exe;
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if ( !QStandardPaths::findExecutable(QStringLiteral("lpr-cups")).isEmpty() ) {
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exe = QStringLiteral("lpr-cups");
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} else if ( !QStandardPaths::findExecutable(QStringLiteral("lpr.cups")).isEmpty() ) {
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exe = QStringLiteral("lpr.cups");
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} else if ( !QStandardPaths::findExecutable(QStringLiteral("lpr")).isEmpty() ) {
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exe = QStringLiteral("lpr");
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} else if ( !QStandardPaths::findExecutable(QStringLiteral("lp")).isEmpty() ) {
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exe = QStringLiteral("lp");
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} else {
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if ( doDeleteFile ) {
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QFile::remove( file );
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}
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return;
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}
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bool useCupsOptions = cupsAvailable();
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QStringList argList = printArguments( printer, fileDeletePolicy, pageSelectPolicy,
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useCupsOptions, pageRange, exe ) << file;
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QProcess *process = new QProcess();
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QObject::connect(process, static_cast<void (QProcess::*)(QProcess::ProcessError)>(&QProcess::error), [=](QProcess::ProcessError) {
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if ( doDeleteFile ) {
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QFile::remove( file );
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}
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process->deleteLater();
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});
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QObject::connect(process, static_cast<void (QProcess::*)(int, QProcess::ExitStatus)>(&QProcess::finished), [=](int exitCode, QProcess::ExitStatus exitStatus) {
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if ( doDeleteFile && (exitStatus != QProcess::NormalExit || exitCode != 0) ) {
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// lpr failed, so delete the temporary file in case it still exists.
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// In case of success, we let lpr delete it, it knows best when it is safe to do so.
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// (lpr queues jobs asynchronously.)
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QFile::remove( file );
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}
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process->deleteLater();
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});
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process->start( exe, argList );
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}
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bool FilePrinter::cupsAvailable()
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{
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#if defined(Q_OS_OSX)
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return true;
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#elif defined(Q_OS_UNIX)
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// Ideally we would have access to the private Qt method
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// QCUPSSupport::cupsAvailable() to do this as it is very complex routine.
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// However, if CUPS is available then QPrinter::numCopies() will always return 1
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// whereas if CUPS is not available it will return the real number of copies.
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// This behaviour is guaranteed never to change, so we can use it as a reliable substitute.
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QPrinter testPrinter;
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testPrinter.setNumCopies( 2 );
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return ( testPrinter.numCopies() == 1 );
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#else
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return false;
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#endif
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}
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QStringList FilePrinter::printArguments( QPrinter &printer, FileDeletePolicy fileDeletePolicy,
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PageSelectPolicy pageSelectPolicy, bool useCupsOptions,
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const QString &pageRange, const QString &version )
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{
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QStringList argList;
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if ( ! destination( printer, version ).isEmpty() ) {
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argList << destination( printer, version );
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}
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if ( ! copies( printer, version ).isEmpty() ) {
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argList << copies( printer, version );
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}
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if ( ! jobname( printer, version ).isEmpty() ) {
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argList << jobname( printer, version );
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}
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if ( ! pages( printer, pageSelectPolicy, pageRange, useCupsOptions, version ).isEmpty() ) {
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argList << pages( printer, pageSelectPolicy, pageRange, useCupsOptions, version );
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}
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if ( useCupsOptions && ! cupsOptions( printer ).isEmpty() ) {
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argList << cupsOptions( printer );
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}
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if ( ! deleteFile( printer, fileDeletePolicy, version ).isEmpty() ) {
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argList << deleteFile( printer, fileDeletePolicy, version );
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}
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if ( version == QLatin1String("lp") ) {
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argList << QStringLiteral("--");
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}
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return argList;
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}
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QStringList FilePrinter::destination( QPrinter &printer, const QString &version )
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{
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if ( version == QLatin1String("lp") ) {
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return QStringList(QStringLiteral("-d")) << printer.printerName();
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}
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if ( version.startsWith( QLatin1String("lpr") ) ) {
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return QStringList(QStringLiteral("-P")) << printer.printerName();
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}
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return QStringList();
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}
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QStringList FilePrinter::copies( QPrinter &printer, const QString &version )
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{
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int cp = printer.actualNumCopies();
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if ( version == QLatin1String("lp") ) {
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return QStringList(QStringLiteral("-n")) << QStringLiteral("%1").arg( cp );
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}
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if ( version.startsWith( QLatin1String("lpr") ) ) {
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return QStringList() << QStringLiteral("-#%1").arg( cp );
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}
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return QStringList();
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}
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QStringList FilePrinter::jobname( QPrinter &printer, const QString &version )
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{
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if ( ! printer.docName().isEmpty() ) {
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if ( version == QLatin1String("lp") ) {
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return QStringList(QStringLiteral("-t")) << printer.docName();
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}
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if ( version.startsWith( QLatin1String("lpr") ) ) {
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const QString shortenedDocName = QString::fromUtf8(printer.docName().toUtf8().left(255));
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return QStringList(QStringLiteral("-J")) << shortenedDocName;
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}
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}
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return QStringList();
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}
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QStringList FilePrinter::deleteFile( QPrinter &, FileDeletePolicy fileDeletePolicy, const QString &version )
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{
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if ( fileDeletePolicy == FilePrinter::SystemDeletesFiles && version.startsWith( QLatin1String("lpr") ) ) {
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return QStringList(QStringLiteral("-r"));
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}
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return QStringList();
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}
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QStringList FilePrinter::pages( QPrinter &printer, PageSelectPolicy pageSelectPolicy, const QString &pageRange,
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bool useCupsOptions, const QString &version )
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{
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if ( pageSelectPolicy == FilePrinter::SystemSelectsPages ) {
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if ( printer.printRange() == QPrinter::Selection && ! pageRange.isEmpty() ) {
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if ( version == QLatin1String("lp") ) {
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return QStringList(QStringLiteral("-P")) << pageRange ;
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}
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if ( version.startsWith( QLatin1String("lpr") ) && useCupsOptions ) {
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return QStringList(QStringLiteral("-o")) << QStringLiteral("page-ranges=%1").arg( pageRange );
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}
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}
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if ( printer.printRange() == QPrinter::PageRange ) {
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if ( version == QLatin1String("lp") ) {
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return QStringList(QStringLiteral("-P")) << QStringLiteral("%1-%2").arg( printer.fromPage() )
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.arg( printer.toPage() );
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}
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if ( version.startsWith( QLatin1String("lpr") ) && useCupsOptions ) {
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return QStringList(QStringLiteral("-o")) << QStringLiteral("page-ranges=%1-%2").arg( printer.fromPage() )
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.arg( printer.toPage() );
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}
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}
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}
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return QStringList(); // AllPages
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}
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QStringList FilePrinter::cupsOptions( QPrinter &printer )
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{
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QStringList optionList;
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if ( ! optionMedia( printer ).isEmpty() ) {
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optionList << optionMedia( printer );
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}
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if ( ! optionDoubleSidedPrinting( printer ).isEmpty() ) {
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optionList << optionDoubleSidedPrinting( printer );
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}
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if ( ! optionPageOrder( printer ).isEmpty() ) {
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optionList << optionPageOrder( printer );
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}
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if ( ! optionCollateCopies( printer ).isEmpty() ) {
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optionList << optionCollateCopies( printer );
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}
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optionList << optionCupsProperties( printer );
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return optionList;
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}
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QStringList FilePrinter::optionMedia( QPrinter &printer )
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{
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if ( ! mediaPageSize( printer ).isEmpty() &&
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! mediaPaperSource( printer ).isEmpty() ) {
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return QStringList(QStringLiteral("-o")) <<
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QStringLiteral("media=%1,%2").arg( mediaPageSize( printer ) )
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.arg( mediaPaperSource( printer ) );
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}
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if ( ! mediaPageSize( printer ).isEmpty() ) {
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return QStringList(QStringLiteral("-o")) <<
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QStringLiteral("media=%1").arg( mediaPageSize( printer ) );
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}
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if ( ! mediaPaperSource( printer ).isEmpty() ) {
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return QStringList(QStringLiteral("-o")) <<
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QStringLiteral("media=%1").arg( mediaPaperSource( printer ) );
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}
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return QStringList();
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}
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QString FilePrinter::mediaPageSize( QPrinter &printer )
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{
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switch ( printer.pageSize() ) {
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case QPrinter::A0: return QStringLiteral("A0");
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case QPrinter::A1: return QStringLiteral("A1");
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case QPrinter::A2: return QStringLiteral("A2");
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case QPrinter::A3: return QStringLiteral("A3");
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case QPrinter::A4: return QStringLiteral("A4");
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case QPrinter::A5: return QStringLiteral("A5");
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case QPrinter::A6: return QStringLiteral("A6");
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case QPrinter::A7: return QStringLiteral("A7");
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case QPrinter::A8: return QStringLiteral("A8");
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case QPrinter::A9: return QStringLiteral("A9");
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case QPrinter::B0: return QStringLiteral("B0");
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case QPrinter::B1: return QStringLiteral("B1");
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case QPrinter::B10: return QStringLiteral("B10");
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case QPrinter::B2: return QStringLiteral("B2");
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case QPrinter::B3: return QStringLiteral("B3");
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case QPrinter::B4: return QStringLiteral("B4");
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case QPrinter::B5: return QStringLiteral("B5");
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case QPrinter::B6: return QStringLiteral("B6");
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case QPrinter::B7: return QStringLiteral("B7");
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case QPrinter::B8: return QStringLiteral("B8");
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case QPrinter::B9: return QStringLiteral("B9");
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case QPrinter::C5E: return QStringLiteral("C5"); //Correct Translation?
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case QPrinter::Comm10E: return QStringLiteral("Comm10"); //Correct Translation?
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case QPrinter::DLE: return QStringLiteral("DL"); //Correct Translation?
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case QPrinter::Executive: return QStringLiteral("Executive");
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case QPrinter::Folio: return QStringLiteral("Folio");
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case QPrinter::Ledger: return QStringLiteral("Ledger");
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case QPrinter::Legal: return QStringLiteral("Legal");
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case QPrinter::Letter: return QStringLiteral("Letter");
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case QPrinter::Tabloid: return QStringLiteral("Tabloid");
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case QPrinter::Custom: return QStringLiteral("Custom.%1x%2mm")
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.arg( printer.heightMM() )
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.arg( printer.widthMM() );
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default: return QString();
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}
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}
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// What about Upper and MultiPurpose? And others in PPD???
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QString FilePrinter::mediaPaperSource( QPrinter &printer )
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{
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switch ( printer.paperSource() ) {
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case QPrinter::Auto: return QString();
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case QPrinter::Cassette: return QStringLiteral("Cassette");
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case QPrinter::Envelope: return QStringLiteral("Envelope");
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case QPrinter::EnvelopeManual: return QStringLiteral("EnvelopeManual");
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case QPrinter::FormSource: return QStringLiteral("FormSource");
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case QPrinter::LargeCapacity: return QStringLiteral("LargeCapacity");
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case QPrinter::LargeFormat: return QStringLiteral("LargeFormat");
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case QPrinter::Lower: return QStringLiteral("Lower");
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case QPrinter::MaxPageSource: return QStringLiteral("MaxPageSource");
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case QPrinter::Middle: return QStringLiteral("Middle");
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case QPrinter::Manual: return QStringLiteral("Manual");
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case QPrinter::OnlyOne: return QStringLiteral("OnlyOne");
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case QPrinter::Tractor: return QStringLiteral("Tractor");
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case QPrinter::SmallFormat: return QStringLiteral("SmallFormat");
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default: return QString();
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}
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}
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QStringList FilePrinter::optionDoubleSidedPrinting( QPrinter &printer )
|
||
|
|
{
|
||
|
|
switch ( printer.duplex() ) {
|
||
|
|
case QPrinter::DuplexNone: return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=one-sided");
|
||
|
|
case QPrinter::DuplexAuto: if ( printer.orientation() == QPrinter::Landscape ) {
|
||
|
|
return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-short-edge");
|
||
|
|
} else {
|
||
|
|
return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-long-edge");
|
||
|
|
}
|
||
|
|
case QPrinter::DuplexLongSide: return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-long-edge");
|
||
|
|
case QPrinter::DuplexShortSide: return QStringList(QStringLiteral("-o")) << QStringLiteral("sides=two-sided-short-edge");
|
||
|
|
default: return QStringList(); //Use printer default
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
QStringList FilePrinter::optionPageOrder( QPrinter &printer )
|
||
|
|
{
|
||
|
|
if ( printer.pageOrder() == QPrinter::LastPageFirst ) {
|
||
|
|
return QStringList(QStringLiteral("-o")) << QStringLiteral("outputorder=reverse");
|
||
|
|
}
|
||
|
|
return QStringList(QStringLiteral("-o")) << QStringLiteral("outputorder=normal");
|
||
|
|
}
|
||
|
|
|
||
|
|
QStringList FilePrinter::optionCollateCopies( QPrinter &printer )
|
||
|
|
{
|
||
|
|
if ( printer.collateCopies() ) {
|
||
|
|
return QStringList(QStringLiteral("-o")) << QStringLiteral("Collate=True");
|
||
|
|
}
|
||
|
|
return QStringList(QStringLiteral("-o")) << QStringLiteral("Collate=False");
|
||
|
|
}
|
||
|
|
|
||
|
|
QStringList FilePrinter::optionCupsProperties( QPrinter &printer )
|
||
|
|
{
|
||
|
|
QStringList dialogOptions = printer.printEngine()->property(QPrintEngine::PrintEnginePropertyKey(0xfe00)).toStringList();
|
||
|
|
QStringList cupsOptions;
|
||
|
|
|
||
|
|
for ( int i = 0; i < dialogOptions.count(); i = i + 2 ) {
|
||
|
|
if ( dialogOptions[i+1].isEmpty() ) {
|
||
|
|
cupsOptions << QStringLiteral("-o") << dialogOptions[i];
|
||
|
|
} else {
|
||
|
|
cupsOptions << QStringLiteral("-o") << dialogOptions[i] + QLatin1Char('=') + dialogOptions[i+1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return cupsOptions;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* kate: replace-tabs on; indent-width 4; */
|