kprintprocess.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@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 "kprintprocess.h"
#include <tdeapplication.h>
#include <tdelocale.h>
#include <tqfile.h>
 
KPrintProcess::KPrintProcess()
: KShellProcess()
{
    // redirect everything to a single buffer
    connect(this,TQ_SIGNAL(receivedStdout(TDEProcess*,char*,int)),TQ_SLOT(slotReceivedStderr(TDEProcess*,char*,int)));
    connect(this,TQ_SIGNAL(receivedStderr(TDEProcess*,char*,int)),TQ_SLOT(slotReceivedStderr(TDEProcess*,char*,int)));
    connect( this, TQ_SIGNAL( processExited( TDEProcess* ) ), TQ_SLOT( slotExited( TDEProcess* ) ) );
    m_state = None;
}
 
KPrintProcess::~KPrintProcess()
{
    if ( !m_tempoutput.isEmpty() )
        TQFile::remove( m_tempoutput );
    if ( m_tempfiles.size() > 0 )
        for ( TQStringList::ConstIterator it=m_tempfiles.begin(); it!=m_tempfiles.end(); ++it )
            TQFile::remove( *it );
}
 
TQString KPrintProcess::errorMessage() const
{
    return m_buffer;
}
 
bool KPrintProcess::print()
{
    m_buffer = TQString();
    m_state = Printing;
    return start(NotifyOnExit,All);
}
 
void KPrintProcess::slotReceivedStderr(TDEProcess *proc, char *buf, int len)
{
    if (proc == this)
    {
        TQCString   str = TQCString(buf,len).stripWhiteSpace();
        m_buffer.append(str.append("\n"));
    }
}
 
void KPrintProcess::slotExited( TDEProcess* )
{
    switch ( m_state )
    {
        case Printing:
            if ( !m_output.isEmpty() )
            {
                clearArguments();
                *this << "kfmclient" << "copy" << m_tempoutput << m_output;
                m_state = Finishing;
                m_buffer = i18n( "File transfer failed." );
                if ( start( NotifyOnExit ) )
                    return;
            }
        case Finishing:
            if ( !normalExit() )
                emit printError( this, i18n( "Abnormal process termination (<b>%1</b>)." ).arg( m_command ) );
            else if ( exitStatus() != 0 )
                emit printError( this, i18n( "<b>%1</b>: execution failed with message:<p>%2</p>" ).arg( m_command ).arg( m_buffer ) );
            else
                emit printTerminated( this );
            break;
        default:
            emit printError( this, "Internal error, printing terminated in unexpected state. "
                    "Report bug at <a href=\"http://bugs.trinitydesktop.org\">http://bugs.trinitydesktop.org</a>." );
            break;
    }
}
 
#include "kprintprocess.moc"