language.cpp

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/**********************************************************************
** Copyright (C) 2000 Trolltech AS.  All rights reserved.
**
** This file is part of Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#include "settings.h"

#include <qpe/global.h>
#include <qpe/fontmanager.h>
#include <qpe/config.h>
#include <qpe/applnk.h>
#include <qpe/qpedialog.h>
#include <qpe/qpeapplication.h>
#if defined(Q_WS_QWS) && !defined(QT_NO_COP)
#include <qpe/qcopenvelope_qws.h>
#endif

#include <qlabel.h>
#include <qcheckbox.h>
#include <qradiobutton.h>
#include <qtabwidget.h>
#include <qslider.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qdatastream.h>
#include <qmessagebox.h>
#include <qcombobox.h>
#include <qspinbox.h>
#include <qlistbox.h>
#include <qdir.h>
#if QT_VERSION >= 0x030000
#include <qstylefactory.h>
#endif

#include <stdlib.h>


LanguageSettings::LanguageSettings( QWidget* parent, const char* name, WFlags fl )
                : LanguageSettingsBase( parent, name, TRUE, fl )
{
        if ( FontManager::hasUnicodeFont() )
                languages->setFont(FontManager::unicodeFont(FontManager::Proportional));


        QString tfn = QPEApplication::qpeDir() + "i18n/";
        QDir langDir = tfn;
        QStringList list = langDir.entryList("*", QDir::Dirs );

        QStringList::Iterator it;

        for ( it = list.begin(); it != list.end(); ++it ) {
                QString name = (*it);
                QFileInfo desktopFile( tfn + "/" + name + "/.directory" );
                if ( desktopFile.exists() ) {
                        langAvail.append(name);
                        Config conf( desktopFile.filePath(), Config::File );
                        QString langName = conf.readEntry( "Name" );
                        QString ownName = conf.readEntryDirect( "Name[" + name + "]" );
                        if ( ownName.isEmpty() )
                                ownName = conf.readEntryDirect( "Name" );
                        if ( !ownName.isEmpty() && ownName != langName )
                                langName = langName + " [" + ownName + "]";
                        languages->insertItem( langName );

                }
        }
        if ( langAvail. find ( "en" ) == -1 ) {
                langAvail. prepend ( "" ); // no tr
                languages-> insertItem ( QString ( "English [%1] (%2)" /* no tr (!) */ ). arg ( tr ( "English" )). arg ( tr( "default" )), 0 );
        }

        dl = new QPEDialogListener(this);
        reset();
}

LanguageSettings::~LanguageSettings()
{}

void LanguageSettings::accept()
{
    Config c( "qpe" );
    c.setGroup( "Startup" );
    if ( ( c.readNumEntry( "FirstUse", 42 ) == 0 ) &&
       ( QMessageBox::warning( this, tr("Language"), tr("<qt>Attention, all windows will be closed by changing the language\n"
                                                 "without saving the Data.<br><br>Go on?</qt>"), 1, 2) ) 
         == QMessageBox::Cancel )
                                                 return;
    applyLanguage();
    QDialog::accept();
}

void LanguageSettings::applyLanguage()
{
        setLanguage ( langAvail. at ( languages-> currentItem ( )));
}


void LanguageSettings::reject()
{
        reset();
        QDialog::reject();
}

void LanguageSettings::reset()
{
        QString l = getenv("LANG");
        Config config("locale");
        config.setGroup("Language");
        l = config.readEntry( "Language", l );
        actualLanguage = l;
        if (l.isEmpty())
                l = "en";

        int n = langAvail.find( l );
        languages->setCurrentItem( n );
}

QString LanguageSettings::actualLanguage;

void LanguageSettings::setLanguage(const QString& lang)
{
        if ( lang != actualLanguage ) {
                Config config("locale");
                config.setGroup( "Language" );
                if ( lang. isEmpty ( ))
                        config. removeEntry ( "Language" );
                else
                        config.writeEntry( "Language", lang );
                config.write();

#if defined(Q_WS_QWS) && !defined(QT_NO_COP)

                QCopEnvelope e("QPE/System", "language(QString)");
                e << lang;
#endif

        }
}

void LanguageSettings::done(int r)
{
        QDialog::done(r);
        close();
}

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