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kmwrlpr.cpp
00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001 Michael Goffioul <tdeprint@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 "kmwrlpr.h"
00021 #include "kmprinter.h"
00022 #include "kmwizard.h"
00023 
00024 #include <tqdir.h>
00025 #include <tqfile.h>
00026 #include <tqtextstream.h>
00027 #include <tqlayout.h>
00028 #include <tqlabel.h>
00029 #include <tqlineedit.h>
00030 #include <tqheader.h>
00031 #include <tdelistview.h>
00032 #include <tdelocale.h>
00033 #include <kiconloader.h>
00034 
00035 static TQListViewItem* rlpr_findChild(TQListViewItem *c, const TQString& txt)
00036 {
00037     TQListViewItem  *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(TQWidget *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 TDEListView(this);
00054     m_view->setFrameStyle(TQFrame::WinPanel|TQFrame::Sunken);
00055     m_view->setLineWidth(1);
00056     m_view->addColumn(TQString::fromLatin1(""));
00057     m_view->header()->hide();
00058     m_view->setRootIsDecorated(true);
00059     m_view->setSorting(0);
00060     m_host = new TQLineEdit(this);
00061     m_queue = new TQLineEdit(this);
00062     TQLabel *m_hostlabel = new TQLabel(i18n("Host:"), this);
00063     TQLabel *m_queuelabel = new TQLabel(i18n("Queue:"), this);
00064     m_hostlabel->setBuddy(m_host);
00065     m_queuelabel->setBuddy(m_queue);
00066     connect(m_view,TQT_SIGNAL(selectionChanged(TQListViewItem*)),TQT_SLOT(slotPrinterSelected(TQListViewItem*)));
00067 
00068     TQHBoxLayout    *lay0 = new TQHBoxLayout(this, 0, 10);
00069     TQVBoxLayout    *lay1 = new TQVBoxLayout(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(TQString& 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     TQListViewItem  *item = rlpr_findChild(m_view->firstChild(),m_host->text());
00098     if (item)
00099     {
00100         item = rlpr_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     TQString    uri = TQString::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     TQFile  f(TQDir::homeDirPath()+"/.rlprrc");
00132     if (!f.exists()) f.setName("/etc/rlprrc");
00133     if (f.exists() && f.open(IO_ReadOnly))
00134     {
00135         TQTextStream    t(&f);
00136         TQString        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                 TQListViewItem  *hitem = new TQListViewItem(m_view,host);
00147                 hitem->setPixmap(0,SmallIcon("tdeprint_computer"));
00148                 TQStringList    prs = TQStringList::split(' ',line.right(line.length()-p-1),false);
00149                 for (TQStringList::ConstIterator it=prs.begin(); it!=prs.end(); ++it)
00150                 {
00151                     TQListViewItem  *pitem = new TQListViewItem(hitem,*it);
00152                     pitem->setPixmap(0,SmallIcon("tdeprint_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         TQTextStream    t(&f);
00164         TQString        line, buffer;
00165         TQListViewItem  *hitem(m_view->firstChild());
00166         while (hitem) if (hitem->text(0) == "localhost") break; else hitem = hitem->nextSibling();
00167         while (!t.eof())
00168         {
00169             buffer = TQString::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                 TQString    name = buffer.left(p);
00187                 if (!hitem)
00188                 {
00189                     hitem = new TQListViewItem(m_view,"localhost");
00190                     hitem->setPixmap(0,SmallIcon("tdeprint_computer"));
00191                 }
00192                 TQListViewItem  *pitem = new TQListViewItem(hitem,name);
00193                 pitem->setPixmap(0,SmallIcon("tdeprint_printer"));
00194             }
00195         }
00196     }
00197 
00198     if (m_view->childCount() == 0)
00199         new TQListViewItem(m_view,i18n("No Predefined Printers"));
00200 }
00201 
00202 void KMWRlpr::slotPrinterSelected(TQListViewItem *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"

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