kcupsprinterimpl.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@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 "kcupsprinterimpl.h"
#include "kprinter.h"
#include "driver.h"
#include "kmfactory.h"
#include "kmmanager.h"
#include "cupsinfos.h"
 
#include <tqfile.h>
#include <cups/cups.h>
#include <stdlib.h>
#include <tdeprocess.h>
#include <tdestandarddirs.h>
#include <tdelocale.h>
 
static void mapToCupsOptions(const TQMap<TQString,TQString>& opts, TQString& cmd);
 
TQSize rangeToSize(const TQString& s)
{
    TQString    range = s;
    int p(-1);
    int from, to;
 
    if ((p=range.find(',')) != -1)
        range.truncate(p);
    if ((p=range.find('-')) != -1)
    {
        from = range.left(p).toInt();
        to = range.right(range.length()-p-1).toInt();
    }
    else if (!range.isEmpty())
        from = to = range.toInt();
    else
        from = to = 0;
 
    return TQSize(from,to);
}
//******************************************************************************************************
 
KCupsPrinterImpl::KCupsPrinterImpl(TQObject *parent, const char *name, const TQStringList & /*args*/)
: KPrinterImpl(parent,name)
{
}
 
KCupsPrinterImpl::~KCupsPrinterImpl()
{
}
 
bool KCupsPrinterImpl::setupCommand(TQString& cmd, KPrinter *printer)
{
    // check printer object
    if (!printer) return false;
 
    TQString exe = TDEStandardDirs::findExe("cupsdoprint");
    if (exe.isEmpty())
    {
        printer->setErrorMessage(i18n("Unable to locate the CUPS print helper <b>cupsdoprint</b>."));
        return false;
    }
 
    TQString    hoststr = TQString::fromLatin1("%1:%2").arg(CupsInfos::self()->host()).arg(CupsInfos::self()->port());
    cmd = TQString::fromLatin1("%1 -P %2 -J %4 -H %3").arg(quote(exe)).arg(quote(printer->printerName())).arg(quote(hoststr)).arg(quote(printer->docName()));
    if (!CupsInfos::self()->login().isEmpty())
    {
        TQString    userstr(CupsInfos::self()->login());
        //if (!CupsInfos::self()->password().isEmpty())
        //  userstr += (":" + CupsInfos::self()->password());
        cmd.append(" -U ").append(quote(userstr));
    }
    mapToCupsOptions(printer->options(),cmd);
    return true;
}
 
void KCupsPrinterImpl::preparePrinting(KPrinter *printer)
{
    // process orientation
    TQString    o = printer->option("orientation-requested");
    printer->setOption("kde-orientation",(o == "4" || o == "5" ? "Landscape" : "Portrait"));
    // if it's a TQt application, then convert orientation as it will be handled by TQt directly
    if (printer->applicationType() == KPrinter::Dialog)
        printer->setOption("orientation-requested",(o == "5" || o == "6" ? "6" : "3"));
 
    // translate copies number
    if (!printer->option("kde-copies").isEmpty()) printer->setOption("copies",printer->option("kde-copies"));
 
    // page ranges are handled by CUPS, so application should print all pages
    if (printer->pageSelection() == KPrinter::SystemSide)
    { // TQt => CUPS
        // translations
        if (!printer->option("kde-range").isEmpty())
            printer->setOption("page-ranges",printer->option("kde-range"));
        if (printer->option("kde-pageorder") == "Reverse")
            printer->setOption("OutputOrder",printer->option("kde-pageorder"));
        o = printer->option("kde-pageset");
        if (!o.isEmpty() && o != "0")
            printer->setOption("page-set",(o == "1" ? "odd" : "even"));
        printer->setOption("multiple-document-handling",(printer->option("kde-collate") == "Collate" ? "separate-documents-collated-copies" : "separate-documents-uncollated-copies"));
    }
    else
    { // No translation needed (but range => (from,to))
        TQString range = printer->option("kde-range");
        if (!range.isEmpty())
        {
            TQSize  s = rangeToSize(range);
            printer->setOption("kde-from",TQString::number(s.width()));
            printer->setOption("kde-to",TQString::number(s.height()));
        }
    }
 
    // needed for page size and margins
    KPrinterImpl::preparePrinting(printer);
}
 
void KCupsPrinterImpl::broadcastOption(const TQString& key, const TQString& value)
{
    KPrinterImpl::broadcastOption(key,value);
    if (key == "kde-orientation")
        KPrinterImpl::broadcastOption("orientation-requested",(value == "Landscape" ? "4" : "3"));
    else if (key == "kde-pagesize")
    {
        TQString    pagename = TQString::fromLatin1(pageSizeToPageName((KPrinter::PageSize)value.toInt()));
        KPrinterImpl::broadcastOption("PageSize",pagename);
        // simple hack for classes
        KPrinterImpl::broadcastOption("media",pagename);
    }
}
 
//******************************************************************************************************
 
static void mapToCupsOptions(const TQMap<TQString,TQString>& opts, TQString& cmd)
{
    TQString    optstr;
    for (TQMap<TQString,TQString>::ConstIterator it=opts.begin(); it!=opts.end(); ++it)
    {
        // only encode those options that doesn't start with "kde-" or "app-".
        if (!it.key().startsWith("kde-") && !it.key().startsWith("app-") && !it.key().startsWith("_kde"))
        {
            TQString key = it.key();
            if (key.startsWith("KDEPrint-"))
                /* Those are keys added by the "Additional Tags" page. *
                 * Strip the prefix to build valid a CUPS option.      */
                key = key.mid(9);
            optstr.append(" ").append(key);
            if (!it.data().isEmpty())
                optstr.append("=").append(it.data());
        }
    }
    if (!optstr.isEmpty())
        cmd.append(" -o ").append( TDEProcess::quote( optstr ) );
}