kmwsocket.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 "kmwsocket.h"
#include "networkscanner.h"
#include "kmwizard.h"
#include "kmprinter.h"
 
#include <tdelistview.h>
#include <tqheader.h>
#include <tqlineedit.h>
#include <tqlabel.h>
#include <tdemessagebox.h>
#include <tqlayout.h>
#include <tdelocale.h>
#include <kiconloader.h>
#include <kseparator.h>
 
KMWSocket::KMWSocket(TQWidget *parent, const char *name)
: KMWizardPage(parent,name)
{
    m_title = i18n("Network Printer Information");
    m_ID = KMWizard::TCP;
    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 address:"),this);
    TQLabel *l2 = new TQLabel(i18n("P&ort:"),this);
 
    m_printer = new TQLineEdit(this);
    m_port = new TQLineEdit(this);
    m_port->setText(TQString("9100"));
 
    l1->setBuddy(m_printer);
    l2->setBuddy(m_port);
 
    m_scanner = new NetworkScanner( 9100, this );
 
    KSeparator* sep = new KSeparator( KSeparator::HLine, this);
    sep->setFixedHeight(40);
 
    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() ) );
 
    // layout
    TQHBoxLayout    *lay3 = new TQHBoxLayout(this, 0, 10);
    TQVBoxLayout    *lay2 = new TQVBoxLayout(0, 0, 0);
 
    lay3->addWidget(m_list,1);
    lay3->addLayout(lay2,1);
    lay2->addWidget(l1);
    lay2->addWidget(m_printer);
    lay2->addSpacing(10);
    lay2->addWidget(l2);
    lay2->addWidget(m_port);
    lay2->addWidget(sep);
    lay2->addWidget( m_scanner );
    lay2->addStretch(1);
}
 
KMWSocket::~KMWSocket()
{
}
 
void KMWSocket::updatePrinter(KMPrinter *p)
{
    TQString    dev = TQString::fromLatin1("socket://%1:%2").arg(m_printer->text()).arg(m_port->text());
    p->setDevice(dev);
}
 
bool KMWSocket::isValid(TQString& msg)
{
    if (m_printer->text().isEmpty())
    {
        msg = i18n("You must enter a printer address.");
        return false;
    }
    TQString    port(m_port->text());
    int p(9100);
    if (!port.isEmpty())
    {
        bool    ok;
        p = port.toInt(&ok);
        if (!ok)
        {
            msg = i18n("Wrong port number.");
            return false;
        }
    }
 
    if (!m_scanner->checkPrinter(m_printer->text(),p))
    {
        msg = i18n("No printer found at this address/port.");
        return false;
    }
    return true;
}
 
void KMWSocket::slotScanStarted()
{
    m_list->clear();
}
 
void KMWSocket::slotScanFinished()
{
    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 KMWSocket::slotPrinterSelected(TQListViewItem *item)
{
    if (!item) return;
    m_printer->setText(item->text(1));
    m_port->setText(item->text(2));
}
 
#include "kmwsocket.moc"