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Diffstat (limited to 'kdeprint/kmmanager.cpp')
| -rw-r--r-- | kdeprint/kmmanager.cpp | 556 |
1 files changed, 556 insertions, 0 deletions
diff --git a/kdeprint/kmmanager.cpp b/kdeprint/kmmanager.cpp new file mode 100644 index 000000000..0905d029d --- /dev/null +++ b/kdeprint/kmmanager.cpp @@ -0,0 +1,556 @@ +/* + * This file is part of the KDE libraries + * Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License version 2 as published by the Free Software Foundation. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + **/ + +#include "kmmanager.h" +#include "kmprinter.h" +#include "kmdbentry.h" +#include "kmfactory.h" +#include "kmvirtualmanager.h" +#include "kmspecialmanager.h" +#include "printerfilter.h" +#include "kprinter.h" + +#include <zlib.h> +#include <qfile.h> +#include <kstandarddirs.h> +#include <kconfig.h> +#include <klocale.h> +#include <kdebug.h> +#include <kapplication.h> +#include <klibloader.h> +#include <unistd.h> + +KMManager::KMManager(QObject *parent, const char *name) +: QObject(parent,name) +{ + m_printers.setAutoDelete(true); + m_fprinters.setAutoDelete(false); + m_hasmanagement = false; + m_printeroperationmask = 0; + m_serveroperationmask = 0; + m_printerfilter = new PrinterFilter(this); + + m_specialmgr = new KMSpecialManager(this); + Q_CHECK_PTR(m_specialmgr); + m_virtualmgr = new KMVirtualManager(this); + Q_CHECK_PTR(m_virtualmgr); + + // set default to true to not disturb code that + // hasn't been adapted yet. Otherwise, should be false + m_updatepossible = true; +} + +KMManager::~KMManager() +{ +} + +KMManager* KMManager::self() +{ + return KMFactory::self()->manager(); +} + +bool KMManager::notImplemented() +{ + setErrorMsg(i18n("This operation is not implemented.")); + return false; +} + +bool KMManager::modifyPrinter(KMPrinter *oldp, KMPrinter *newp) +{ + if (oldp->printerName() != newp->printerName()) + { + // remove the old one, then create the new one. But before removing + // the old one, retrieve its driver so that the new printer has the + // same. + DrMain *driver = loadPrinterDriver(oldp, true); + newp->setDriver(driver); + if (!removePrinter(oldp)) + return false; + } + return createPrinter(newp); +} + +bool KMManager::createPrinter(KMPrinter*) +{ + return notImplemented(); +} + +bool KMManager::removePrinter(KMPrinter*) +{ + return notImplemented(); +} + +bool KMManager::removePrinter(const QString& name) +{ + KMPrinter *p = findPrinter(name); + return (p ? removePrinter(p) : false); +} + +bool KMManager::enablePrinter(KMPrinter*, bool) +{ + return notImplemented(); +} + +bool KMManager::enablePrinter(const QString& name, bool state) +{ + KMPrinter *p = findPrinter(name); + return (p ? enablePrinter(p, state) : false); +} + +bool KMManager::startPrinter(KMPrinter*, bool) +{ + return notImplemented(); +} + +bool KMManager::startPrinter(const QString& name, bool state) +{ + KMPrinter *p = findPrinter(name); + return (p ? startPrinter(p, state) : false); +} + +bool KMManager::upPrinter(KMPrinter *p, bool state) +{ + bool result = enablePrinter(p, state); + if (result) + result = startPrinter(p, state); + return result; +} + +bool KMManager::completePrinter(KMPrinter*) +{ + notImplemented(); + return true; // not false to allow instance config/creation +} + +bool KMManager::completePrinterShort(KMPrinter *p) +{ + return completePrinter(p); +} + +bool KMManager::completePrinter(const QString& name) +{ + KMPrinter *p = findPrinter(name); + return (p ? completePrinter(p) : false); +} + +bool KMManager::setDefaultPrinter(KMPrinter*) +{ + return notImplemented(); +} + +bool KMManager::setDefaultPrinter(const QString& name) +{ + KMPrinter *p = findPrinter(name); + return (p ? setDefaultPrinter(p) : false); +} + +bool KMManager::testPrinter(KMPrinter *prt) +{ + // standard Test mechanism + QString testpage = testPage(); + if (testpage.isEmpty()) + { + setErrorMsg(i18n("Unable to locate test page.")); + return false; + } + KPrinter pr; + bool prExist = (findPrinter(prt->printerName()) != 0), result(false); + pr.setPrinterName(prt->printerName()); + pr.setSearchName(prt->name()); + pr.setDocName("KDE Print Test"); + // the printing mechanism may involve some needed operations on the + // printer, so temporary printers (created when testing) should be + // temporarily added to the printer list, then taken out. + if (!prExist) + m_printers.append(prt); + result = pr.printFiles(testpage, false, false); + if (!prExist) + m_printers.take(m_printers.count()-1); + return result; + // return notImplemented(); +} + +KMPrinter* KMManager::findPrinter(const QString& name) +{ + QPtrListIterator<KMPrinter> it(m_printers); + for (;it.current();++it) + if (it.current()->name() == name) return it.current(); + //setErrorMsg(i18n("%1: printer not found.").arg(name)); + return 0; +} + +KMPrinter* KMManager::softDefault() const +{ + QPtrListIterator<KMPrinter> it(m_printers); + for (;it.current();++it) + if (it.current()->isSoftDefault()) return it.current(); + return 0; +} + +KMPrinter* KMManager::hardDefault() const +{ + QPtrListIterator<KMPrinter> it(m_printers); + for (; it.current();++it) + if (it.current()->isHardDefault()) + return it.current(); + return 0; +} + +KMPrinter* KMManager::defaultPrinter() +{ + printerList(false); + KMPrinter *prt = softDefault(); + if (!prt) + prt = hardDefault(); + return prt; +} + +QPtrList<KMPrinter>* KMManager::printerList(bool reload) +{ + setErrorMsg(QString::null); + //kdDebug(500) << "Getting printer list: " << reload << endl; + + if (reload || m_printers.count() == 0) + { + // reset filter + m_printerfilter->update(); + m_fprinters.clear(); + + // first discard all printers + discardAllPrinters(true); + + // make sure virtual printers will be reloaded if we don't have + // any printer (for example if settings are wrong) + if (m_printers.count() == 0) + m_virtualmgr->reset(); + + // List real printers (in subclasses) + if ( m_updatepossible ) + listPrinters(); + // Listing of special printers has to be done before the instances + // because now special printers can also have instances + m_specialmgr->refresh(); + // list virtual printers (and undiscard virtual printers if necessary) + if ( m_updatepossible ) + m_virtualmgr->refresh(); + + // remove discarded printers + for (uint i=0; i<m_printers.count(); i++) + { + KMPrinter *prt = m_printers.at(i); + if (prt->isDiscarded()) + { + m_printers.remove(i); + i--; + } + else if (prt->isSpecial() || m_printerfilter->filter(prt)) + m_fprinters.append(prt); + } + + // try to find the default printer from these situations: + // - it already exists from .lpoptions file + // - use the PRINTER variable + if (!softDefault()) + { + KMPrinter *defprinter = findPrinter(QString::fromLatin1(getenv("PRINTER"))); + if (defprinter) + setSoftDefault(defprinter); + } + } + + return &m_fprinters; +} + +QPtrList<KMPrinter>* KMManager::printerListComplete(bool reload) +{ + printerList(reload); + return &m_printers; +} + +void KMManager::listPrinters() +{ + // do nothing +} + +void KMManager::addPrinter(KMPrinter *p) +{ + if (p) + { + if (p->name().isEmpty()) + // discard printer with empty name + delete p; + else + { + KMPrinter *other = findPrinter(p->name()); + if (other) + { + other->copy(*p); + delete p; + } + else + { + p->setDiscarded(false); + m_printers.inSort(p); + } + } + } +} + +QString KMManager::driverDbCreationProgram() +{ + return QString::null; +} + +QString KMManager::driverDirectory() +{ + return QString::null; +} + +DrMain* KMManager::loadPrinterDriver(KMPrinter*, bool) +{ + return NULL; +} + +DrMain* KMManager::loadDbDriver(KMDBEntry *entry) +{ + return loadFileDriver(entry->file); +} + +DrMain* KMManager::loadFileDriver(const QString&) +{ + return NULL; +} + +DrMain* KMManager::loadDriver(KMPrinter *p, bool config) +{ + if (p->isSpecial()) + return m_specialmgr->loadDriver(p); + else + return loadPrinterDriver(p, config); +} + +bool KMManager::savePrinterDriver(KMPrinter*,DrMain*) +{ + return notImplemented(); +} + +bool KMManager::uncompressFile(const QString& filename, QString& destname) +{ + QFile f(filename); + bool result(true); + destname = QString::null; + if (f.exists() && f.open(IO_ReadOnly)) + { + char buf[1024] = {0}; + f.readBlock(buf,2); + if ((uchar)(buf[0]) == 037 && (uchar)(buf[1]) == 0213) + { + f.close(); + destname = locateLocal("tmp","kdeprint_") + KApplication::randomString(8); + f.setName(destname); + + if (f.open(IO_WriteOnly)) + { + gzFile in = gzopen(filename.latin1(),"r"); + int n(0); + while ((n=gzread(in,buf,1024)) > 0) + if (f.writeBlock(buf,n) != n) + break; + if (n != 0) result = false; + gzclose(in); + f.close(); + } + } + } + return result; +} + +void KMManager::setHardDefault(KMPrinter *p) +{ + QPtrListIterator<KMPrinter> it(m_printers); + for (;it.current();++it) + it.current()->setHardDefault(false); + if (p) p->setHardDefault(true); +} + +void KMManager::setSoftDefault(KMPrinter *p) +{ + QPtrListIterator<KMPrinter> it(m_printers); + for (;it.current();++it) + { + it.current()->setSoftDefault(false); + it.current()->setOwnSoftDefault(false); + } + if (p) + { + p->setSoftDefault(true); + KMPrinter *pp = findPrinter(p->printerName()); + if (pp) + pp->setOwnSoftDefault(true); + } +} + +bool KMManager::restartServer() +{ + return notImplemented(); +} + +bool KMManager::configureServer(QWidget*) +{ + return notImplemented(); +} + +QString KMManager::testPage() +{ + KConfig *conf = KMFactory::self()->printConfig(); + conf->setGroup("General"); + QString tpage = conf->readPathEntry("TestPage"); + if (tpage.isEmpty()) + tpage = locate("data","kdeprint/testprint.ps"); + return tpage; +} + +void KMManager::discardAllPrinters(bool on) +{ + QPtrListIterator<KMPrinter> it(m_printers); + for (;it.current();++it) + if (!on || !it.current()->isSpecial()) + it.current()->setDiscarded(on); +} + +bool KMManager::validateDbDriver(KMDBEntry*) +{ + return true; +} + +bool KMManager::createSpecialPrinter(KMPrinter *p) +{ + if (p && p->isSpecial()) + { + KMPrinter *old = findPrinter(p->name()); + if (old && !old->isSpecial()) + { + setErrorMsg(i18n("Can't overwrite regular printer with special printer settings.")); + return false; + } + // if the special printer already exists, it will be overwritten + addPrinter(p); + return m_specialmgr->savePrinters(); + } + return false; +} + +bool KMManager::removeSpecialPrinter(KMPrinter *p) +{ + if (p && p->isSpecial() && m_printers.findRef(p) != -1) + { + m_printers.removeRef(p); + return m_specialmgr->savePrinters(); + } + return false; +} + +/* format of output: + Class0, URI0, Desc0, Printer0, Class1, URI1, Desc1, Printer1, ... + + Defaults to 3 parallel printers +*/ +QStringList KMManager::detectLocalPrinters() +{ + QStringList list; + for (int i=0; i<3; i++) + list << QString::null << QString::fromLatin1("parallel:/dev/lp%1").arg(i) << i18n("Parallel Port #%1").arg(i+1) << QString::null; + return list; +} + +int KMManager::addPrinterWizard(QWidget *parent) +{ + KLibrary *lib = KLibLoader::self()->library("libkdeprint_management_module"); + if (!lib) + setErrorMsg(i18n("Unable to load KDE print management library: %1").arg(KLibLoader::self()->lastErrorMessage())); + else + { + int (*func)(QWidget*) = (int(*)(QWidget*))lib->symbol("add_printer_wizard"); + if (!func) + setErrorMsg(i18n("Unable to find wizard object in management library.")); + else + return func(parent); + } + return (-1); +} + +bool KMManager::invokeOptionsDialog(QWidget *parent) +{ + KLibrary *lib = KLibLoader::self()->library("libkdeprint_management_module"); + if (!lib) + setErrorMsg(i18n("Unable to load KDE print management library: %1").arg(KLibLoader::self()->lastErrorMessage())); + else + { + bool (*func)(QWidget*) = (bool(*)(QWidget*))lib->symbol("config_dialog"); + if (!func) + setErrorMsg(i18n("Unable to find options dialog in management library.")); + else + return func(parent); + } + return false; +} + +void KMManager::createPluginActions(KActionCollection*) +{ +} + +void KMManager::validatePluginActions(KActionCollection*, KMPrinter*) +{ +} + +void KMManager::enableFilter(bool on) +{ + m_printerfilter->setEnabled(on); +} + +bool KMManager::isFilterEnabled() const +{ + return m_printerfilter->isEnabled(); +} + +QString KMManager::stateInformation() +{ + return i18n("No plugin information available"); +} + +void KMManager::checkUpdatePossible() +{ + m_updatepossible = false; + checkUpdatePossibleInternal(); +} + +void KMManager::checkUpdatePossibleInternal() +{ + setUpdatePossible( true ); +} + +void KMManager::setUpdatePossible( bool value ) +{ + if ( value != m_updatepossible ) + m_virtualmgr->reset(); + m_updatepossible = value; + emit updatePossible( m_updatepossible ); +} + +#include "kmmanager.moc" |