kmwrlpr.cpp
/*
* This file is part of the KDE libraries
* Copyright (c) 2001 Michael Goffioul <kdeprint@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 "kmwrlpr.h"
#include "kmprinter.h"
#include "kmwizard.h"
#include <qdir.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qlineedit.h>
#include <qheader.h>
#include <klistview.h>
#include <klocale.h>
#include <kiconloader.h>
static QListViewItem* findChild(QListViewItem *c, const QString& txt)
{
QListViewItem *item(c);
while (item)
if (item->text(0) == txt) return item;
else item = item->nextSibling();
return NULL;
}
//*****************************************************************************************************
KMWRlpr::KMWRlpr(QWidget *parent, const char *name)
: KMWizardPage(parent,name)
{
m_ID = KMWizard::Custom+1;
m_title = i18n("Remote LPD Queue Settings");
m_nextpage = KMWizard::Name;
m_view = new KListView(this);
m_view->setFrameStyle(QFrame::WinPanel|QFrame::Sunken);
m_view->setLineWidth(1);
m_view->addColumn(QString::fromLatin1(""));
m_view->header()->hide();
m_view->setRootIsDecorated(true);
m_view->setSorting(0);
m_host = new QLineEdit(this);
m_queue = new QLineEdit(this);
QLabel *m_hostlabel = new QLabel(i18n("Host:"), this);
QLabel *m_queuelabel = new QLabel(i18n("Queue:"), this);
m_hostlabel->setBuddy(m_host);
m_queuelabel->setBuddy(m_queue);
connect(m_view,SIGNAL(selectionChanged(QListViewItem*)),SLOT(slotPrinterSelected(QListViewItem*)));
QHBoxLayout *lay0 = new QHBoxLayout(this, 0, 10);
QVBoxLayout *lay1 = new QVBoxLayout(0, 0, 5);
lay0->addWidget(m_view,1);
lay0->addLayout(lay1,1);
lay1->addWidget(m_hostlabel);
lay1->addWidget(m_host);
lay1->addSpacing(20);
lay1->addWidget(m_queuelabel);
lay1->addWidget(m_queue);
lay1->addStretch(1);
initialize();
}
bool KMWRlpr::isValid(QString& msg)
{
if (m_host->text().isEmpty())
msg = i18n("Empty host name.");
else if (m_queue->text().isEmpty())
msg = i18n("Empty queue name.");
else
return true;
return false;
}
void KMWRlpr::initPrinter(KMPrinter *p)
{
m_host->setText(p->option("host"));
m_queue->setText(p->option("queue"));
QListViewItem *item = findChild(m_view->firstChild(),m_host->text());
if (item)
{
item = findChild(item->firstChild(),m_queue->text());
if (item)
{
item->parent()->setOpen(true);
m_view->setCurrentItem(item);
m_view->ensureItemVisible(item);
}
}
}
void KMWRlpr::updatePrinter(KMPrinter *p)
{
QString uri = QString::fromLatin1("lpd://%1/%2").arg(m_host->text()).arg(m_queue->text());
p->setDevice(uri);
p->setOption("host",m_host->text());
p->setOption("queue",m_queue->text());
p->setOption("kde-backend-description",i18n("Remote LPD queue"));
// setting default name and description, but only if the "name()" is empty
// which is the case on first pass when adding a printer. This prevents from
// bad side-effects when simply modifying an existing printer.
if (p->name().isEmpty())
{
p->setName(m_queue->text());
p->setPrinterName(p->name());
p->setDescription(i18n("Remote queue %1 on %2").arg(m_queue->text()).arg(m_host->text()));
}
}
void KMWRlpr::initialize()
{
m_view->clear();
QFile f(QDir::homeDirPath()+"/.rlprrc");
if (!f.exists()) f.setName("/etc/rlprrc");
if (f.exists() && f.open(IO_ReadOnly))
{
QTextStream t(&f);
QString line, host;
int p(-1);
while (!t.eof())
{
line = t.readLine().stripWhiteSpace();
if (line.isEmpty())
continue;
if ((p=line.find(':')) != -1)
{
host = line.left(p).stripWhiteSpace();
QListViewItem *hitem = new QListViewItem(m_view,host);
hitem->setPixmap(0,SmallIcon("kdeprint_computer"));
QStringList prs = QStringList::split(' ',line.right(line.length()-p-1),false);
for (QStringList::ConstIterator it=prs.begin(); it!=prs.end(); ++it)
{
QListViewItem *pitem = new QListViewItem(hitem,*it);
pitem->setPixmap(0,SmallIcon("kdeprint_printer"));
}
}
}
f.close();
}
// parse printcap file for local printers
f.setName("/etc/printcap");
if (f.exists() && f.open(IO_ReadOnly))
{
QTextStream t(&f);
QString line, buffer;
QListViewItem *hitem(m_view->firstChild());
while (hitem) if (hitem->text(0) == "localhost") break; else hitem = hitem->nextSibling();
while (!t.eof())
{
buffer = QString::null;
while (!t.eof())
{
line = t.readLine().stripWhiteSpace();
if (line.isEmpty() || line[0] == '#')
continue;
buffer.append(line);
if (buffer.right(1) == "\\")
buffer = buffer.left(buffer.length()-1).stripWhiteSpace();
else
break;
}
if (buffer.isEmpty())
continue;
int p = buffer.find(':');
if (p != -1)
{
QString name = buffer.left(p);
if (!hitem)
{
hitem = new QListViewItem(m_view,"localhost");
hitem->setPixmap(0,SmallIcon("kdeprint_computer"));
}
QListViewItem *pitem = new QListViewItem(hitem,name);
pitem->setPixmap(0,SmallIcon("kdeprint_printer"));
}
}
}
if (m_view->childCount() == 0)
new QListViewItem(m_view,i18n("No Predefined Printers"));
}
void KMWRlpr::slotPrinterSelected(QListViewItem *item)
{
if (item && item->depth() == 1)
{
m_host->setText(item->parent()->text(0));
m_queue->setText(item->text(0));
}
}
#include "kmwrlpr.moc"

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