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372 righe
11 KiB
372 righe
11 KiB
/*
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* This file is part of the KDE libraries
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* Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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**/
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#include "kmvirtualmanager.h"
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#include "kmprinter.h"
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#include "kmfactory.h"
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#include "kmmanager.h"
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#include "kprinter.h"
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#include <stdlib.h>
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#include <tqfile.h>
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#include <tqtextstream.h>
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#include <tqdir.h>
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#include <tqfileinfo.h>
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#include <klocale.h>
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#include <kstandarddirs.h>
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#include <kurl.h>
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#include <kdebug.h>
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#include <kmessagebox.h>
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#include <unistd.h>
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static TQString instanceName(const TQString& prname, const TQString& instname)
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{
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QString str(prname);
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if (!instname.isEmpty())
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str.append("/"+instname);
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return str;
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}
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KMVirtualManager::KMVirtualManager(KMManager *parent, const char *name)
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: TQObject(parent,name), m_manager(parent)
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{
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}
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KMVirtualManager::~KMVirtualManager()
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{
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}
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KMPrinter* KMVirtualManager::findPrinter(const TQString& name)
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{
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return m_manager->findPrinter(name);
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}
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KMPrinter* KMVirtualManager::findInstance(KMPrinter *p, const TQString& name)
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{
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QString instname(instanceName(p->printerName(),name));
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return findPrinter(instname);
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}
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void KMVirtualManager::addPrinter(KMPrinter *p)
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{
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if (p && p->isValid())
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{
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KMPrinter *other = findPrinter(p->name());
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if (other)
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{
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other->copy(*p);
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// Replace default options with the new loaded ones: this is needed
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// if we want to handle 2 lpoptions correctly (system-wide and local).
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// Anyway, the virtual printers will be reloaded only if something has
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// changed in one of the files, so it's better to reset everything, to
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// be sure to use the new changes. Edited options will be left unchanged.
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other->setDefaultOptions(p->defaultOptions());
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delete p;
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}
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else
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m_manager->addPrinter(p);
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}
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else
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delete p;
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}
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void KMVirtualManager::setDefault(KMPrinter *p, bool saveflag)
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{
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m_manager->setSoftDefault(p);
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m_defaultprinter = (p ? p->printerName() : TQString::null);
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if (saveflag) triggerSave();
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}
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bool KMVirtualManager::isDefault(KMPrinter *p, const TQString& name)
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{
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QString instname(instanceName(p->printerName(),name));
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KMPrinter *printer = findPrinter(instname);
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if (printer)
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return printer->isSoftDefault();
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else
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return false;
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}
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void KMVirtualManager::create(KMPrinter *p, const TQString& name)
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{
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QString instname = instanceName(p->printerName(),name);
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if (findPrinter(instname) != NULL) return;
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KMPrinter *printer = new KMPrinter;
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printer->setName(instname);
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printer->setPrinterName(p->printerName());
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printer->setInstanceName(name);
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if (!name.isEmpty())
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printer->setType(p->type()|KMPrinter::Virtual);
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// we need some options to know how to load the driver
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if (p->isSpecial())
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printer->setOptions(p->options());
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m_manager->addPrinter(printer);
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triggerSave();
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}
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void KMVirtualManager::copy(KMPrinter *p, const TQString& src, const TQString& name)
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{
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QString instsrc(instanceName(p->printerName(),src)), instname(instanceName(p->printerName(),name));
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KMPrinter *prsrc = findPrinter(instsrc);
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if (!prsrc || findPrinter(instname) != NULL) return;
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KMPrinter *printer = new KMPrinter;
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printer->copy(*prsrc);
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printer->setName(instname);
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printer->setInstanceName(name);
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printer->setDefaultOptions(prsrc->defaultOptions());
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m_manager->addPrinter(printer);
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triggerSave();
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}
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void KMVirtualManager::remove(KMPrinter *p, const TQString& name)
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{
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QString instname = instanceName(p->printerName(),name);
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KMPrinter *printer = findPrinter(instname);
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if (!printer) return;
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if (name.isEmpty())
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{ // remove default instance => only remove options, keep the KMPrinter object
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printer->setDefaultOptions(TQMap<TQString,TQString>());
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printer->setEditedOptions(TQMap<TQString,TQString>());
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printer->setEdited(false);
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}
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else
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m_manager->m_printers.removeRef(printer);
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triggerSave();
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}
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void KMVirtualManager::setAsDefault(KMPrinter *p, const TQString& name, TQWidget *parent)
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{
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QString instname(instanceName(p->printerName(),name));
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if ( p->isSpecial() )
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{
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if ( KMessageBox::warningContinueCancel( parent,
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i18n( "<qt>You are about to set a pseudo-printer as your personal default. "
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"This setting is specific to TDE and will not be available outside TDE "
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"applications. Note that this will only make your personal default printer "
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"as undefined for non-TDE applications and should not prevent you from "
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"printing normally. Do you really want to set <b>%1</b> as your personal default?</qt>" ).arg( instname ),
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TQString::null, i18n("Set as Default"), "setSpecialAsDefault" ) == KMessageBox::No )
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return;
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}
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KMPrinter *printer = findPrinter(instname);
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if (!printer)
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{ // create it if necessary
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create(p,name);
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printer = findPrinter(instname);
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}
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if (printer)
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setDefault(printer,true);
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}
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void KMVirtualManager::refresh()
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{
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TQFileInfo fi(TQDir::homeDirPath() + TQFile::decodeName("/.cups/lpoptions"));
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TQFileInfo fi2(TQFile::decodeName("/etc/cups/lpoptions"));
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// if root, then only use global file: trick -> use twice the same file
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if (getuid() == 0)
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fi.setFile(fi2.absFilePath());
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if (!m_checktime.isValid() || m_checktime < QMAX(fi.lastModified(),fi2.lastModified()))
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{
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m_defaultprinter = TQString::null;
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if (fi2.exists())
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loadFile(fi2.absFilePath());
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if (fi.exists() && fi.absFilePath() != fi2.absFilePath())
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loadFile(fi.absFilePath());
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m_checktime = QMAX(fi.lastModified(),fi2.lastModified());
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}
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else
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{ // parse printers looking for instances -> undiscarded them, real printers
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// are undiscarded by the manager itself. Also update printer status.
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TQPtrListIterator<KMPrinter> it(m_manager->m_printers);
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for (;it.current();++it)
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if (!it.current()->instanceName().isEmpty())
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{
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checkPrinter(it.current());
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if (it.current()->isValid()) it.current()->setDiscarded(false);
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}
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}
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}
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void KMVirtualManager::checkPrinter(KMPrinter *p)
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{
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KMPrinter *realprinter = m_manager->findPrinter(p->printerName());
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if (!realprinter || realprinter->isDiscarded())
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{
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p->setType(KMPrinter::Invalid);
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p->setState(KMPrinter::Unknown);
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}
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else
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{
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if (!p->instanceName().isEmpty())
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p->setType(realprinter->type()|KMPrinter::Virtual);
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p->setState(realprinter->state());
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}
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}
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TQString KMVirtualManager::defaultPrinterName()
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{
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return m_defaultprinter;
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}
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void KMVirtualManager::virtualList(TQPtrList<KMPrinter>& list, const TQString& prname)
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{
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// load printers if necessary
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refresh();
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// then look for instances
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list.setAutoDelete(false);
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list.clear();
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kdDebug(500) << "KMVirtualManager::virtualList() prname=" << prname << endl;
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TQPtrListIterator<KMPrinter> it(m_manager->m_printers);
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for (;it.current();++it)
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if (it.current()->printerName() == prname)
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list.append(it.current());
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}
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void KMVirtualManager::loadFile(const TQString& filename)
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{
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TQFile f(filename);
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if (f.exists() && f.open(IO_ReadOnly))
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{
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TQTextStream t(&f);
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TQString line;
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TQStringList words;
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TQStringList pair;
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KMPrinter *printer, *realprinter;
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while (!t.eof())
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{
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line = t.readLine().stripWhiteSpace();
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if (line.isEmpty()) continue;
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words = TQStringList::split(' ',line,false);
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if (words.count() < 2) continue;
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pair = TQStringList::split('/',words[1],false);
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realprinter = m_manager->findPrinter(KURL::decode_string(pair[0]));
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if (realprinter && !realprinter->isDiscarded())
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{ // keep only instances corresponding to an existing and
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// non discarded printer.
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// "clone" the real printer and modify settings as needed
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printer = new KMPrinter(*realprinter);
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printer->setName(KURL::decode_string(words[1]));
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printer->setPrinterName(KURL::decode_string(pair[0]));
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if (pair.count() > 1)
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{
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printer->setInstanceName(KURL::decode_string(pair[1]));
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printer->addType(KMPrinter::Virtual);
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}
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// parse options
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for (uint i=2; i<words.count(); i++)
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{
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pair = TQStringList::split('=',words[i],false);
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printer->setDefaultOption(pair[0],(pair.count() > 1 ? pair[1] : TQString::null));
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}
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// add printer to the manager
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addPrinter(printer); // don't use "printer" after this point !!!
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// check default state
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if (words[0].lower().startsWith("default"))
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setDefault(findPrinter(KURL::decode_string(words[1])),false);
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}
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}
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}
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}
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void KMVirtualManager::triggerSave()
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{
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QString filename;
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if (getuid() == 0)
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{
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if (KStandardDirs::makeDir(TQFile::decodeName("/etc/cups")))
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filename = TQFile::decodeName("/etc/cups/lpoptions");
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}
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else
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{
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TQDir cupsDir(TQDir::home().absPath()+"/.cups");
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if (!cupsDir.exists())
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cupsDir.mkdir(TQDir::home().absPath()+"/.cups");
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filename = TQDir::homeDirPath() + TQFile::decodeName("/.cups/lpoptions");
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}
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if (!filename.isEmpty())
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{
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saveFile(filename);
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m_checktime = TQFileInfo(filename).lastModified();
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}
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}
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void KMVirtualManager::saveFile(const TQString& filename)
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{
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TQFile f(filename);
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if (f.open(IO_WriteOnly))
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{
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TQTextStream t(&f);
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TQPtrListIterator<KMPrinter> it(m_manager->m_printers);
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for (;it.current();++it)
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{
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if (it.current()->isSpecial())
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{
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t << ( it.current()->isSoftDefault() ? "DefaultSpecial " : "Special " );
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t << KURL::encode_string_no_slash( it.current()->printerName() );
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if ( !it.current()->instanceName().isEmpty() )
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t << "/" << KURL::encode_string_no_slash( it.current()->instanceName() );
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}
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else
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t << (it.current()->isSoftDefault() ? "Default " : "Dest ") << it.current()->name();
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TQMap<TQString,TQString> opts = it.current()->defaultOptions();
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for (TQMap<TQString,TQString>::ConstIterator oit=opts.begin(); oit!=opts.end(); ++oit)
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{
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t << ' ' << oit.key();
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if (!oit.data().isEmpty())
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t << '=' << oit.data();
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}
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t << endl;
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}
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}
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}
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bool KMVirtualManager::testInstance(KMPrinter *p)
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{
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TQString testpage = KMManager::self()->testPage();
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if (testpage.isEmpty())
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return false;
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else
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{
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KPrinter pr;
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pr.setPrinterName(p->printerName());
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pr.setSearchName(p->name());
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pr.setOptions(p->defaultOptions());
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return (pr.printFiles(testpage));
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}
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}
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void KMVirtualManager::reload()
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{
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reset();
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}
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void KMVirtualManager::configChanged()
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{
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reset();
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}
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