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Diffstat (limited to 'kdeprint/management/kmwlpd.cpp')
-rw-r--r-- | kdeprint/management/kmwlpd.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/kdeprint/management/kmwlpd.cpp b/kdeprint/management/kmwlpd.cpp new file mode 100644 index 000000000..fdb762e7d --- /dev/null +++ b/kdeprint/management/kmwlpd.cpp @@ -0,0 +1,102 @@ +/* + * 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 <config.h> +#include "kmwlpd.h" +#include "kmwizard.h" +#include "kmprinter.h" + +#include <kurl.h> +#include <klocale.h> +#include <qlabel.h> +#include <kdebug.h> +#include <qlineedit.h> +#include <kmessagebox.h> +#include <kextsock.h> + +static bool checkLpdQueue(const char *host, const char *queue); + +//******************************************************************************************************** + +KMWLpd::KMWLpd(QWidget *parent, const char *name) +: KMWInfoBase(2,parent,name) +{ + m_ID = KMWizard::LPD; + m_title = i18n("LPD Queue Information"); + m_nextpage = KMWizard::Driver; + + setInfo(i18n("<p>Enter the information concerning the remote LPD queue; " + "this wizard will check it before continuing.</p>")); + setLabel(0,i18n("Host:")); + setLabel(1,i18n("Queue:")); +} + +bool KMWLpd::isValid(QString& msg) +{ + if (text(0).isEmpty() || text(1).isEmpty()) + { + msg = i18n("Some information is missing."); + return false; + } + + // check LPD queue + if (!checkLpdQueue(text(0).latin1(),text(1).latin1())) + { + if (KMessageBox::warningContinueCancel(this, i18n("Cannot find queue %1 on server %2; do you want to continue anyway?").arg(text(1)).arg(text(0))) == KMessageBox::Cancel) + return false; + } + return true; +} + +void KMWLpd::updatePrinter(KMPrinter *p) +{ + QString dev = QString::fromLatin1("lpd://%1/%2").arg(text(0)).arg(text(1)); + p->setDevice(dev); +} + +//******************************************************************************************************* + +bool checkLpdQueue(const char *host, const char *queue) +{ + KExtendedSocket sock(host, "printer", KExtendedSocket::streamSocket); + sock.setBlockingMode(true); + if (sock.connect() != 0) + return false; + + char res[64] = {0}; + snprintf(res,64,"%c%s\n",(char)4,queue); + if (sock.writeBlock(res, strlen(res)) != (Q_LONG)(strlen(res))) + return false; + + char buf[1024] = {0}; + int n, tot(1); + while ((n = sock.readBlock(res, 63)) > 0) + { + res[n] = 0; + tot += n; + if (tot >= 1024) + break; + else + strcat(buf, res); + } + sock.close(); + if (strlen(buf) == 0 || strstr(buf, "unknown printer") != NULL) + return false; + return true; +} |