kmwippprinter.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 "kmwippprinter.h"
#include "kmwizard.h"
#include "kmprinter.h"
#include "ipprequest.h"
#include "kmcupsmanager.h"
#include "networkscanner.h"
 
#include <tdelistview.h>
#include <tqheader.h>
#include <kpushbutton.h>
#include <tqlineedit.h>
#include <tqlabel.h>
#include <tdemessagebox.h>
#include <tqtextview.h>
#include <tqlayout.h>
#include <tqregexp.h>
#include <kseparator.h>
#include <tdelocale.h>
#include <kiconloader.h>
#include <kguiitem.h>
#include <kurl.h>
 
KMWIppPrinter::KMWIppPrinter(TQWidget *parent, const char *name)
: KMWizardPage(parent,name)
{
    m_title = i18n("IPP Printer Information");
    m_ID = KMWizard::Custom+1;
    m_nextpage = KMWizard::Driver;
 
    m_list = new TDEListView(this);
    m_list->addColumn("");
    m_list->header()->hide();
    m_list->setFrameStyle(TQFrame::WinPanel|TQFrame::Sunken);
    m_list->setLineWidth(1);
 
    TQLabel *l1 = new TQLabel(i18n("&Printer URI:"),this);
 
    m_uri = new TQLineEdit(this);
 
    l1->setBuddy(m_uri);
 
    m_info = new TQTextView(this);
    m_info->setPaper(colorGroup().background());
    m_info->setMinimumHeight(100);
    m_info->setText(i18n("<p>Either enter the printer URI directly, or use the network scanning facility.</p>"));
    m_ippreport = new KPushButton(KGuiItem(i18n("&IPP Report"), "tdeprint_report"), this);
    m_ippreport->setEnabled(false);
 
    m_scanner = new NetworkScanner( 631, this );
 
    KSeparator* sep = new KSeparator( KSeparator::HLine, this);
    sep->setFixedHeight(20);
 
    connect(m_list,TQ_SIGNAL(selectionChanged(TQListViewItem*)),TQ_SLOT(slotPrinterSelected(TQListViewItem*)));
    connect( m_scanner, TQ_SIGNAL( scanStarted() ), TQ_SLOT( slotScanStarted() ) );
    connect( m_scanner, TQ_SIGNAL( scanFinished() ), TQ_SLOT( slotScanFinished() ) );
    connect( m_scanner, TQ_SIGNAL( scanStarted() ), parent, TQ_SLOT( disableWizard() ) );
    connect( m_scanner, TQ_SIGNAL( scanFinished() ), parent, TQ_SLOT( enableWizard() ) );
    connect(m_ippreport, TQ_SIGNAL(clicked()), TQ_SLOT(slotIppReport()));
 
    // layout
    TQHBoxLayout    *lay3 = new TQHBoxLayout(this, 0, 10);
    TQVBoxLayout    *lay2 = new TQVBoxLayout(0, 0, 0);
    TQHBoxLayout    *lay4 = new TQHBoxLayout(0, 0, 0);
 
    lay3->addWidget(m_list,1);
    lay3->addLayout(lay2,1);
    lay2->addWidget(l1);
    lay2->addWidget(m_uri);
    lay2->addSpacing(10);
    lay2->addWidget(m_info, 1);
    lay2->addSpacing(5);
    lay2->addLayout(lay4);
    lay4->addStretch(1);
    lay4->addWidget(m_ippreport);
    lay2->addWidget(sep);
    lay2->addWidget( m_scanner );
}
 
KMWIppPrinter::~KMWIppPrinter()
{
}
 
void KMWIppPrinter::updatePrinter(KMPrinter *p)
{
    p->setDevice(m_uri->text());
}
 
bool KMWIppPrinter::isValid(TQString& msg)
{
    if (m_uri->text().isEmpty())
    {
        msg = i18n("You must enter a printer URI.");
        return false;
    }
 
    KURL uri( m_uri->text() );
    if (!m_scanner->checkPrinter(uri.host(),(uri.port()==0?631:uri.port())))
    {
        msg = i18n("No printer found at this address/port.");
        return false;
    }
    return true;
}
 
void KMWIppPrinter::slotScanStarted()
{
    m_list->clear();
}
 
void KMWIppPrinter::slotScanFinished()
{
    m_ippreport->setEnabled(false);
    const TQPtrList<NetworkScanner::SocketInfo> *list = m_scanner->printerList();
    TQPtrListIterator<NetworkScanner::SocketInfo>   it(*list);
    for (;it.current();++it)
    {
        TQString    name;
        if (it.current()->Name.isEmpty())
            name = i18n("Unknown host - 1 is the IP", "<Unknown> (%1)").arg(it.current()->IP);
        else
        name = it.current()->Name;
        TQListViewItem  *item = new TQListViewItem(m_list,name,it.current()->IP,TQString::number(it.current()->Port));
        item->setPixmap(0,SmallIcon("tdeprint_printer"));
    }
}
 
void KMWIppPrinter::slotPrinterSelected(TQListViewItem *item)
{
    m_ippreport->setEnabled(item != 0);
    if (!item) return;
 
    // trying to get printer attributes
    IppRequest  req;
    TQString        uri;
    TQStringList    keys;
 
    req.setOperation(IPP_GET_PRINTER_ATTRIBUTES);
    req.setHost(item->text(1));
    req.setPort(item->text(2).toInt());
    uri = TQString::fromLatin1("ipp://%1:%2/ipp").arg(item->text(1)).arg(item->text(2));
    req.addURI(IPP_TAG_OPERATION,"printer-uri",uri);
    keys.append("printer-name");
    keys.append("printer-state");
    keys.append("printer-info");
    keys.append("printer-uri-supported");
    keys.append("printer-make-and-model");
    keys.append("printer-location");
    req.addKeyword(IPP_TAG_OPERATION,"requested-attributes",keys);
    if (req.doRequest("/ipp/") && (req.status() == IPP_OK || req.status() == IPP_OK_SUBST || req.status() == IPP_OK_CONFLICT))
    {
        TQString    value, txt;
        int     state;
        if (req.name("printer-name",value)) txt.append(i18n("<b>Name</b>: %1<br>").arg(value));
        if (req.text("printer-location",value) && !value.isEmpty()) txt.append(i18n("<b>Location</b>: %1<br>").arg(value));
        if (req.text("printer-info",value) && !value.isEmpty()) txt.append(i18n("<b>Description</b>: %1<br>").arg(value.replace(TQRegExp(";"),"<br>")));
        if (req.uri("printer-uri-supported",value))
        {
            if (value[0] == '/')
                value.prepend(TQString::fromLatin1("ipp://%1:%2").arg(item->text(1)).arg(item->text(2)));
            m_uri->setText(value);
        }
        if (req.text("printer-make-and-model",value) && !value.isEmpty()) txt.append(i18n("<b>Model</b>: %1<br>").arg(value));
        if (req.enumvalue("printer-state",state))
        {
            switch (state)
            {
                case IPP_PRINTER_IDLE: value = i18n("Idle"); break;
                case IPP_PRINTER_STOPPED: value = i18n("Stopped"); break;
                case IPP_PRINTER_PROCESSING: value = i18n("Processing..."); break;
                default: value = i18n("Unknown State", "Unknown"); break;
            }
            txt.append(i18n("<b>State</b>: %1<br>").arg(value));
        }
        m_info->setText(txt);
    }
    else
    {
        m_uri->setText(uri);
        m_info->setText(i18n("Unable to retrieve printer info. Printer answered:<br><br>%1").arg(ippErrorString((ipp_status_t)req.status())));
    }
}
 
void KMWIppPrinter::slotIppReport()
{
    IppRequest  req;
    TQString    uri("ipp://%1:%2/ipp");
    TQListViewItem  *item = m_list->currentItem();
 
    if (item)
    {
        req.setOperation(IPP_GET_PRINTER_ATTRIBUTES);
        req.setHost(item->text(1));
        req.setPort(item->text(2).toInt());
        uri = uri.arg(item->text(1)).arg(item->text(2));
        req.addURI(IPP_TAG_OPERATION, "printer-uri", uri);
        if (req.doRequest("/ipp/"))
        {
            TQString    caption = i18n("IPP Report for %1").arg(item->text(0));
            static_cast<KMCupsManager*>(KMManager::self())->ippReport(req, IPP_TAG_PRINTER, caption);
        }
        else
            KMessageBox::error(this, i18n("Unable to generate report. IPP request failed with message: "
                                          "%1 (0x%2).").arg(ippErrorString((ipp_status_t)req.status())).arg(req.status(),0,16));
    }
}
 
#include "kmwippprinter.moc"