/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the 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.
**
**********************************************************************/
#ifndef TZSELECT_H
#define TZSELECT_H

#include <qtopia/qpeglobal.h>
#include <qhbox.h>
#include <qcombobox.h>
#include <qstringlist.h>

class QToolButton;
class TimeZoneSelector;
class TimeZoneSelectorPrivate;

// a function to load defaults in case there is no file
QTOPIA_EXPORT QStringList timezoneDefaults( void );

class QTOPIA_EXPORT TZCombo : public QComboBox
{
    Q_OBJECT
public:
    TZCombo( QWidget* parent, const char* name = 0 );
    ~TZCombo();

    QString currZone() const;
    void setCurrZone( const QString& id );

protected:
#ifdef QTOPIA_DESKTOP
    friend class TimeZoneSelectorPrivate;
#endif
    friend class TimeZoneSelector;
    void keyPressEvent( QKeyEvent *e );
    void mousePressEvent(QMouseEvent*e);
    void updateZones();

private slots:
    void handleSystemChannel(const QCString&, const QByteArray&);

private:
    QStringList identifiers;
    QStringList extras;
};

class QTOPIA_EXPORT TimeZoneSelector : public QHBox
{
    Q_OBJECT
public:
    TimeZoneSelector( QWidget* parent = 0, const char* name=0 );
    ~TimeZoneSelector();

#ifdef QTOPIA_INTERNAL_TZSELECT_INC_LOCAL
    // badly named.. not to be used outside of qtopia (not forward compatable)
    // basically allows the "No Timezone" or "None" option.
    void setLocalIncluded(bool);
    bool localIncluded() const;
#endif
    QString currentZone() const;
    void setCurrentZone( const QString& id );

signals:
    void signalNewTz( const QString& id );
private slots:
    void slotTzActive( int index );
    void slotExecute( void );

private:
    QToolButton *cmdTz;
#ifdef QTOPIA_DESKTOP
    public:
#endif
    TZCombo *cmbTz;
    TimeZoneSelectorPrivate *d;
};

#endif
