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# kmwrlpr.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., 59 Temple Place - Suite 330,
    00017  *  Boston, MA 02111-1307, USA.
    00018  **/
    00019
    00020 #include "kmwrlpr.h"
    00021 #include "kmprinter.h"
    00022 #include "kmwizard.h"
    00023
    00024 #include <qdir.h>
    00025 #include <qfile.h>
    00026 #include <qtextstream.h>
    00027 #include <qlayout.h>
    00028 #include <qlabel.h>
    00029 #include <qlineedit.h>
    00030 #include <qheader.h>
    00031 #include <klistview.h>
    00032 #include <klocale.h>
    00033 #include <kiconloader.h>
    00034
    00035 static QListViewItem* findChild(QListViewItem *c, const QString& txt)
    00036 {
    00037     QListViewItem   *item(c);
    00038     while (item)
    00039         if (item->text(0) == txt) return item;
    00040         else item = item->nextSibling();
    00041     return NULL;
    00042 }
    00043
    00044 //*****************************************************************************************************
    00045
    00046 KMWRlpr::KMWRlpr(QWidget *parent, const char *name)
    00047 : KMWizardPage(parent,name)
    00048 {
    00049     m_ID = KMWizard::Custom+1;
    00050     m_title = i18n("Remote LPD Queue Settings");
    00051     m_nextpage = KMWizard::Name;
    00052
    00053     m_view = new KListView(this);
    00054     m_view->setFrameStyle(QFrame::WinPanel|QFrame::Sunken);
    00055     m_view->setLineWidth(1);
    00056     m_view->addColumn(QString::fromLatin1(""));
    00057     m_view->header()->hide();
    00058     m_view->setRootIsDecorated(true);
    00059     m_view->setSorting(0);
    00060     m_host = new QLineEdit(this);
    00061     m_queue = new QLineEdit(this);
    00062     QLabel  *m_hostlabel = new QLabel(i18n("Host:"), this);
    00063     QLabel  *m_queuelabel = new QLabel(i18n("Queue:"), this);
    00064     m_hostlabel->setBuddy(m_host);
    00065     m_queuelabel->setBuddy(m_queue);
    00066     connect(m_view,SIGNAL(selectionChanged(QListViewItem*)),SLOT(slotPrinterSelected(QListViewItem*)));
    00067
    00068     QHBoxLayout *lay0 = new QHBoxLayout(this, 0, 10);
    00069     QVBoxLayout *lay1 = new QVBoxLayout(0, 0, 5);
    00070     lay0->addWidget(m_view,1);
    00071     lay0->addLayout(lay1,1);
    00072     lay1->addWidget(m_hostlabel);
    00073     lay1->addWidget(m_host);
    00074     lay1->addSpacing(20);
    00075     lay1->addWidget(m_queuelabel);
    00076     lay1->addWidget(m_queue);
    00077     lay1->addStretch(1);
    00078
    00079     initialize();
    00080 }
    00081
    00082 bool KMWRlpr::isValid(QString& msg)
    00083 {
    00084     if (m_host->text().isEmpty())
    00085         msg = i18n("Empty host name.");
    00086     else if (m_queue->text().isEmpty())
    00087         msg = i18n("Empty queue name.");
    00088     else
    00089         return true;
    00090     return false;
    00091 }
    00092
    00093 void KMWRlpr::initPrinter(KMPrinter *p)
    00094 {
    00095     m_host->setText(p->option("host"));
    00096     m_queue->setText(p->option("queue"));
    00097     QListViewItem   *item = findChild(m_view->firstChild(),m_host->text());
    00098     if (item)
    00099     {
    00100         item = findChild(item->firstChild(),m_queue->text());
    00101         if (item)
    00102         {
    00103             item->parent()->setOpen(true);
    00104             m_view->setCurrentItem(item);
    00105             m_view->ensureItemVisible(item);
    00106         }
    00107     }
    00108 }
    00109
    00110 void KMWRlpr::updatePrinter(KMPrinter *p)
    00111 {
    00112     QString uri = QString::fromLatin1("lpd://%1/%2").arg(m_host->text()).arg(m_queue->text());
    00113     p->setDevice(uri);
    00114     p->setOption("host",m_host->text());
    00115     p->setOption("queue",m_queue->text());
    00116     p->setOption("kde-backend-description",i18n("Remote LPD queue"));
    00117     // setting default name and description, but only if the "name()" is empty
    00118     // which is the case on first pass when adding a printer. This prevents from
    00119     // bad side-effects when simply modifying an existing printer.
    00120     if (p->name().isEmpty())
    00121     {
    00122         p->setName(m_queue->text());
    00123         p->setPrinterName(p->name());
    00124         p->setDescription(i18n("Remote queue %1 on %2").arg(m_queue->text()).arg(m_host->text()));
    00125     }
    00126 }
    00127
    00128 void KMWRlpr::initialize()
    00129 {
    00130     m_view->clear();
    00131     QFile   f(QDir::homeDirPath()+"/.rlprrc");
    00132     if (!f.exists()) f.setName("/etc/rlprrc");
    00133     if (f.exists() && f.open(IO_ReadOnly))
    00134     {
    00135         QTextStream t(&f);
    00136         QString     line, host;
    00137         int         p(-1);
    00138         while (!t.eof())
    00139         {
    00140             line = t.readLine().stripWhiteSpace();
    00141             if (line.isEmpty())
    00142                 continue;
    00143             if ((p=line.find(':')) != -1)
    00144             {
    00145                 host = line.left(p).stripWhiteSpace();
    00146                 QListViewItem   *hitem = new QListViewItem(m_view,host);
    00147                 hitem->setPixmap(0,SmallIcon("kdeprint_computer"));
    00148                 QStringList prs = QStringList::split(' ',line.right(line.length()-p-1),false);
    00149                 for (QStringList::ConstIterator it=prs.begin(); it!=prs.end(); ++it)
    00150                 {
    00151                     QListViewItem   *pitem = new QListViewItem(hitem,*it);
    00152                     pitem->setPixmap(0,SmallIcon("kdeprint_printer"));
    00153                 }
    00154             }
    00155         }
    00156         f.close();
    00157     }
    00158
    00159     // parse printcap file for local printers
    00160     f.setName("/etc/printcap");
    00161     if (f.exists() && f.open(IO_ReadOnly))
    00162     {
    00163         QTextStream t(&f);
    00164         QString     line, buffer;
    00165         QListViewItem   *hitem(m_view->firstChild());
    00166         while (hitem) if (hitem->text(0) == "localhost") break; else hitem = hitem->nextSibling();
    00167         while (!t.eof())
    00168         {
    00169             buffer = QString::null;
    00170             while (!t.eof())
    00171             {
    00172                 line = t.readLine().stripWhiteSpace();
    00173                 if (line.isEmpty() || line[0] == '#')
    00174                     continue;
    00175                 buffer.append(line);
    00176                 if (buffer.right(1) == "\\")
    00177                     buffer = buffer.left(buffer.length()-1).stripWhiteSpace();
    00178                 else
    00179                     break;
    00180             }
    00181             if (buffer.isEmpty())
    00182                 continue;
    00183             int p = buffer.find(':');
    00184             if (p != -1)
    00185             {
    00186                 QString name = buffer.left(p);
    00187                 if (!hitem)
    00188                 {
    00189                     hitem = new QListViewItem(m_view,"localhost");
    00190                     hitem->setPixmap(0,SmallIcon("kdeprint_computer"));
    00191                 }
    00192                 QListViewItem   *pitem = new QListViewItem(hitem,name);
    00193                 pitem->setPixmap(0,SmallIcon("kdeprint_printer"));
    00194             }
    00195         }
    00196     }
    00197
    00198     if (m_view->childCount() == 0)
    00199         new QListViewItem(m_view,i18n("No Predefined Printers"));
    00200 }
    00201
    00202 void KMWRlpr::slotPrinterSelected(QListViewItem *item)
    00203 {
    00204     if (item && item->depth() == 1)
    00205     {
    00206         m_host->setText(item->parent()->text(0));
    00207         m_queue->setText(item->text(0));
    00208     }
    00209 }
    00210 #include "kmwrlpr.moc"

This file is part of the documentation for kdeprint Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:31:03 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003