kmwbackend.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 "kmwbackend.h"
#include "kmwizard.h"
#include "kmprinter.h"
 
#include <tqlayout.h>
#include <tqregexp.h>
#include <tqbuttongroup.h>
#include <tqradiobutton.h>
#include <tqwhatsthis.h>
 
#include <kcursor.h>
#include <tdelocale.h>
#include <kseparator.h>
#include <kdialog.h>
#include <kdebug.h>
 
class TDERadioButton : public TQRadioButton
{
public:
    TDERadioButton(const TQString& txt, TQWidget *parent = 0, const char *name = 0);
};
 
TDERadioButton::TDERadioButton(const TQString& txt, TQWidget *parent, const char *name)
: TQRadioButton(txt,parent,name)
{
    setCursor(KCursor::handCursor());
}
 
//********************************************************************************************************
 
KMWBackend::KMWBackend(TQWidget *parent, const char *name)
: KMWizardPage(parent,name)
{
    m_ID = KMWizard::Backend;
    m_title = i18n("Backend Selection");
 
    m_buttons = new TQButtonGroup(this);
    m_buttons->hide();
 
    m_layout = new TQVBoxLayout(this, 0, KDialog::spacingHint());
    m_layout->addStretch(1);
    m_count = 0;
}
 
bool KMWBackend::isValid(TQString& msg)
{
    if (!m_buttons->selected())
    {
        msg = i18n("You must select a backend.");
        return false;
    }
    return true;
}
 
void KMWBackend::initPrinter(KMPrinter *p)
{
    TQString    s = p->option("kde-backend");
    int ID(-1);
 
    if (!s.isEmpty())
        ID = s.toInt();
    else
    {
        s = p->deviceProtocol();
        // extract protocol
        if (s == "parallel" || s == "serial" || s == "usb") ID = KMWizard::Local;
        else if (s == "smb") ID = KMWizard::SMB;
        else if (s == "ipp" || s == "http") ID = KMWizard::IPP;
        else if (s == "lpd") ID = KMWizard::LPD;
        else if (s == "socket") ID = KMWizard::TCP;
        else if (s == "file") ID = KMWizard::File;
        else if (p->members().count() > 0) ID = KMWizard::Class;
    }
 
    if (m_buttons->find(ID))
        m_buttons->setButton(ID);
}
 
void KMWBackend::updatePrinter(KMPrinter *p)
{
    int ID = m_buttons->id(m_buttons->selected());
    if (ID == KMWizard::Class) p->setType(KMPrinter::Class);
    else p->setType(KMPrinter::Printer);
    p->setOption("kde-backend",TQString::number(ID));
    TQString    s = m_buttons->selected()->text();
    s.replace(TQRegExp("&(?=\\w)"), TQString::fromLatin1(""));
    p->setOption("kde-backend-description",s);
    setNextPage((m_map.contains(ID) ? m_map[ID] : KMWizard::Error));
}
 
void KMWBackend::addBackend( int ID, bool on, int nextpage )
{
    switch ( ID )
    {
        case KMWizard::Local:
            addBackend( ID, i18n("&Local printer (parallel, serial, USB)"), on,
                    i18n( "<qt><p>Locally-connected printer</p>"
                          "<p>Use this for a printer connected "
                          "to the computer via a parallel, serial or USB port.</p></qt>" ),
                    nextpage );
            break;
        case KMWizard::SMB:
            addBackend( ID, i18n("&SMB shared printer (Windows)"), on,
                    i18n( "<qt><p>Shared Windows printer</p>"
                          "<p>Use this for a printer installed "
                          "on a Windows server and shared on the network using the SMB "
                          "protocol (samba).</p></qt>" ),
                    nextpage );
            break;
        case KMWizard::LPD:
            addBackend( ID, i18n("&Remote LPD queue"), on,
                    i18n( "<qt><p>Print queue on a remote LPD server</p>"
                          "<p>Use this for a print queue "
                          "existing on a remote machine running a LPD print server.</p></qt>" ),
                    nextpage );
            break;
        case KMWizard::TCP:
            addBackend( ID, i18n("Ne&twork printer (TCP)"), on,
                    i18n( "<qt><p>Network TCP printer</p>"
                          "<p>Use this for a network-enabled printer "
                          "using TCP (usually on port 9100) as communication protocol. Most "
                          "network printers can use this mode.</p></qt>" ),
                    nextpage );
            break;
        case -1:
            addBackend( ID, TQString::null, on, TQString::null, nextpage );
            break;
        default:
            kdError( 500 ) << "Non standard wizard page ID: " << ID << endl;
    }
}
 
void KMWBackend::addBackend(int ID, const TQString& txt, bool on, const TQString& whatsThis, int nextpage)
{
    if (ID == -1)
    {
        KSeparator* sep = new KSeparator( KSeparator::HLine, this);
        m_layout->insertWidget(m_count, sep);
    }
    else
    {
        TDERadioButton  *btn = new TDERadioButton(txt, this);
        btn->setEnabled(on);
        if ( !whatsThis.isEmpty() )
            TQWhatsThis::add( btn, whatsThis );
        m_buttons->insert(btn, ID);
        m_map[ID] = (nextpage == -1 ? ID : nextpage);   // use nextpage if specified, default to ID
        m_layout->insertWidget(m_count, btn);
    }
    m_count++;
}
 
void KMWBackend::enableBackend(int ID, bool on)
{
    TQButton    *btn = static_cast<TQButton*>(m_buttons->find(ID));
    if (btn)
        btn->setEnabled(on);
}