kmwsocket.cpp

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #include "kmwsocket.h"
00021 #include "networkscanner.h"
00022 #include "kmwizard.h"
00023 #include "kmprinter.h"
00024 
00025 #include <klistview.h>
00026 #include <qheader.h>
00027 #include <qlineedit.h>
00028 #include <qlabel.h>
00029 #include <kmessagebox.h>
00030 #include <qlayout.h>
00031 #include <klocale.h>
00032 #include <kiconloader.h>
00033 #include <kseparator.h>
00034 
00035 KMWSocket::KMWSocket(QWidget *parent, const char *name)
00036 : KMWizardPage(parent,name)
00037 {
00038     m_title = i18n("Network Printer Information");
00039     m_ID = KMWizard::TCP;
00040     m_nextpage = KMWizard::Driver;
00041 
00042     m_list = new KListView(this);
00043     m_list->addColumn("");
00044     m_list->header()->hide();
00045     m_list->setFrameStyle(QFrame::WinPanel|QFrame::Sunken);
00046     m_list->setLineWidth(1);
00047 
00048     QLabel  *l1 = new QLabel(i18n("&Printer address:"),this);
00049     QLabel  *l2 = new QLabel(i18n("P&ort:"),this);
00050 
00051     m_printer = new QLineEdit(this);
00052     m_port = new QLineEdit(this);
00053 
00054     l1->setBuddy(m_printer);
00055     l2->setBuddy(m_port);
00056 
00057     m_scanner = new NetworkScanner( 9100, this );
00058 
00059     KSeparator* sep = new KSeparator( KSeparator::HLine, this);
00060     sep->setFixedHeight(40);
00061 
00062     connect(m_list,SIGNAL(selectionChanged(QListViewItem*)),SLOT(slotPrinterSelected(QListViewItem*)));
00063     connect( m_scanner, SIGNAL( scanStarted() ), SLOT( slotScanStarted() ) );
00064     connect( m_scanner, SIGNAL( scanFinished() ), SLOT( slotScanFinished() ) );
00065     connect( m_scanner, SIGNAL( scanStarted() ), parent, SLOT( disableWizard() ) );
00066     connect( m_scanner, SIGNAL( scanFinished() ), parent, SLOT( enableWizard() ) );
00067 
00068     // layout
00069     QHBoxLayout *lay3 = new QHBoxLayout(this, 0, 10);
00070     QVBoxLayout *lay2 = new QVBoxLayout(0, 0, 0);
00071 
00072     lay3->addWidget(m_list,1);
00073     lay3->addLayout(lay2,1);
00074     lay2->addWidget(l1);
00075     lay2->addWidget(m_printer);
00076     lay2->addSpacing(10);
00077     lay2->addWidget(l2);
00078     lay2->addWidget(m_port);
00079     lay2->addWidget(sep);
00080     lay2->addWidget( m_scanner );
00081     lay2->addStretch(1);
00082 }
00083 
00084 KMWSocket::~KMWSocket()
00085 {
00086 }
00087 
00088 void KMWSocket::updatePrinter(KMPrinter *p)
00089 {
00090     QString dev = QString::fromLatin1("socket://%1:%2").arg(m_printer->text()).arg(m_port->text());
00091     p->setDevice(dev);
00092 }
00093 
00094 bool KMWSocket::isValid(QString& msg)
00095 {
00096     if (m_printer->text().isEmpty())
00097     {
00098         msg = i18n("You must enter a printer address.");
00099         return false;
00100     }
00101     QString port(m_port->text());
00102     int p(9100);
00103     if (!port.isEmpty())
00104     {
00105         bool    ok;
00106         p = port.toInt(&ok);
00107         if (!ok)
00108         {
00109             msg = i18n("Wrong port number.");
00110             return false;
00111         }
00112     }
00113 
00114     if (!m_scanner->checkPrinter(m_printer->text(),p))
00115     {
00116         msg = i18n("No printer found at this address/port.");
00117         return false;
00118     }
00119     return true;
00120 }
00121 
00122 void KMWSocket::slotScanStarted()
00123 {
00124     m_list->clear();
00125 }
00126 
00127 void KMWSocket::slotScanFinished()
00128 {
00129     const QPtrList<NetworkScanner::SocketInfo>  *list = m_scanner->printerList();
00130     QPtrListIterator<NetworkScanner::SocketInfo>    it(*list);
00131     for (;it.current();++it)
00132     {
00133         QString name;
00134         if (it.current()->Name.isEmpty())
00135             name = i18n("Unknown host - 1 is the IP", "<Unknown> (%1)").arg(it.current()->IP);
00136         else
00137             name = it.current()->Name;
00138         QListViewItem   *item = new QListViewItem(m_list,name,it.current()->IP,QString::number(it.current()->Port));
00139         item->setPixmap(0,SmallIcon("kdeprint_printer"));
00140     }
00141 }
00142 
00143 void KMWSocket::slotPrinterSelected(QListViewItem *item)
00144 {
00145     if (!item) return;
00146     m_printer->setText(item->text(1));
00147     m_port->setText(item->text(2));
00148 }
00149 
00150 #include "kmwsocket.moc"
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