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/*
 *  This file is part of the KDE Libraries
 *  Copyright (C) 2002 Hamish Rodda <rodda@kde.org>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  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 "ktimerdialog.h"

#include <QLabel>
#include <QTimer>

#include <QProgressBar>

#include <kwindowsystem.h>
#include <kiconloader.h>

#include <klocale.h>
#include <kdebug.h>
#include <kvbox.h>
#include <KLocalizedString>

KTimerDialog::KTimerDialog( int msec, TimerStyle style, QWidget *parent,
                 const QString &caption,
                 int buttonMask, ButtonCode defaultButton,
                 bool separator,
                 const KGuiItem &user1,
                 const KGuiItem &user2,
                 const KGuiItem &user3 )
    : KDialog( parent )
{
    setCaption( caption );
    setButtons( (ButtonCodes)buttonMask );
    setDefaultButton( defaultButton );
    setButtonFocus( defaultButton ); // setDefaultButton() doesn't do this
    showButtonSeparator( separator );
    setButtonGuiItem( User1, user1 );
    setButtonGuiItem( User2, user2 );
    setButtonGuiItem( User3, user3 );

    totalTimer = new QTimer( this );
    totalTimer->setSingleShot( true );
    updateTimer = new QTimer( this );
    updateTimer->setSingleShot( false );
    msecTotal = msecRemaining = msec;
    updateInterval = 1000;
    tStyle = style;
    KWindowSystem::setIcons( winId(), DesktopIcon(QStringLiteral("randr")), SmallIcon(QStringLiteral("randr")) );
    // default to canceling the dialog on timeout
    if ( buttonMask & Cancel )
        buttonOnTimeout = Cancel;

    connect(totalTimer, &QTimer::timeout, this, &KTimerDialog::slotInternalTimeout);
    connect( updateTimer, SIGNAL( timeout() ), SLOT( slotUpdateTime() ) );

    // create the widgets
    mainWidget = new KVBox( this );
    timerWidget = new KHBox( mainWidget );
    timerWidget->setSpacing(KDialog::spacingHint());
    timerLabel = new QLabel( timerWidget );
    timerProgress = new QProgressBar( timerWidget );
    timerProgress->setRange( 0, msecTotal );
    timerProgress->setTextVisible( false );

    KDialog::setMainWidget( mainWidget );

    slotUpdateTime( false );
}

KTimerDialog::~KTimerDialog()
{
}

void KTimerDialog::setVisible( bool visible )
{
    KDialog::setVisible( visible );
  
    if ( visible ) {
        totalTimer->start( msecTotal );
        updateTimer->start( updateInterval );
    }
}

int KTimerDialog::exec()
{
    totalTimer->start( msecTotal );
    updateTimer->start( updateInterval );
    return KDialog::exec();
}

void KTimerDialog::setMainWidget( QWidget *widget )
{
    // yuck, here goes.
    KVBox *newWidget = new KVBox( this );

    if ( widget->parentWidget() != mainWidget ) {
        widget->setParent( newWidget);
    } 
    timerWidget->setParent( newWidget);

    delete mainWidget;
    mainWidget = newWidget;
    KDialog::setMainWidget( mainWidget );
}

void KTimerDialog::setRefreshInterval( int msec )
{
    updateInterval = msec;
    if ( updateTimer->isActive() )
        updateTimer->start( updateInterval );
}

int KTimerDialog::timeoutButton() const
{
    return buttonOnTimeout;
}

void KTimerDialog::setTimeoutButton( const ButtonCode newButton )
{
    buttonOnTimeout = newButton;
}

int KTimerDialog::timerStyle() const
{
    return tStyle;
}

void KTimerDialog::setTimerStyle( const TimerStyle newStyle )
{
    tStyle = newStyle;
}

void KTimerDialog::slotUpdateTime( bool update )
{
    if ( update )
        switch ( tStyle ) {
            case CountDown:
                msecRemaining -= updateInterval;
                break;
            case CountUp:
                msecRemaining += updateInterval;
                break;
            case Manual:
                break;
        }

    timerProgress->setValue( msecRemaining );

    timerLabel->setText( i18np("1 second remaining:","%1 seconds remaining:",msecRemaining/1000) );
}

void KTimerDialog::slotInternalTimeout()
{
    emit timerTimeout();
    slotButtonClicked( buttonOnTimeout );
}