kprefsdialog.cpp

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/*
  This file is part of libkdepim.

  Copyright (c) 2001,2003 Cornelius Schumacher <schumacher@kde.org>
  Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
  Copyright (C) 2005,2008,2011 Allen Winter <winter@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.
*/
//krazy:excludeall=tipsandthis

#include "kprefsdialog.h"

#include <KColorButton>
#include <KComboBox>
#include <KConfigSkeleton>
#include <KDateComboBox>
#include <KDebug>
#include <KFontDialog>
#include <KLineEdit>
#include <KLocale>
#include <KMessageBox>
#include <KPageWidget>
#include <KTimeComboBox>
#include <KUrlRequester>

#include <QFont>
#include <QFrame>
#include <QCheckBox>
#include <QGridLayout>
#include <QLabel>
#include <QLayout>
#include <QPushButton>
#include <QRadioButton>
#include <QSpinBox>
#include <QTimeEdit>
#include <QButtonGroup>
#include <QGroupBox>
#include <KHBox>


using namespace KPIM;

namespace KPrefsWidFactory {
KPrefsWid *create( KConfigSkeletonItem *item, QWidget *parent )
{
    KConfigSkeleton::ItemBool *boolItem =
            dynamic_cast<KConfigSkeleton::ItemBool *>( item );
    if ( boolItem ) {
        return new KPrefsWidBool( boolItem, parent );
    }

    KConfigSkeleton::ItemString *stringItem =
            dynamic_cast<KConfigSkeleton::ItemString *>( item );
    if ( stringItem ) {
        return new KPrefsWidString( stringItem, parent );
    }

    KConfigSkeleton::ItemEnum *enumItem =
            dynamic_cast<KConfigSkeleton::ItemEnum *>( item );
    if ( enumItem ) {
        QList<KConfigSkeleton::ItemEnum::Choice> choices = enumItem->choices();
        if ( choices.isEmpty() ) {
            kError() << "Enum has no choices.";
            return 0;
        } else {
            KPrefsWidRadios *radios = new KPrefsWidRadios( enumItem, parent );
            QList<KConfigSkeleton::ItemEnum::Choice>::ConstIterator it;
            int value = 0;
            QList<KConfigSkeleton::ItemEnum::Choice>::ConstIterator end(choices.constEnd());
            for ( it = choices.constBegin(); it != end; ++it ) {
                radios->addRadio( value++, (*it).label );
            }
            return radios;
        }
    }

    KConfigSkeleton::ItemInt *intItem = dynamic_cast<KConfigSkeleton::ItemInt *>( item );
    if ( intItem ) {
        return new KPrefsWidInt( intItem, parent );
    }

    return 0;
}

} // namespace KPrefsWidFactory

QList<QWidget *> KPrefsWid::widgets() const
{
    return QList<QWidget *>();
}

KPrefsWidBool::KPrefsWidBool( KConfigSkeleton::ItemBool *item, QWidget *parent )
    : mItem( item )
{
    mCheck = new QCheckBox( mItem->label(), parent );
    connect( mCheck, SIGNAL(clicked()), SIGNAL(changed()) );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mCheck->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mCheck->setWhatsThis( whatsThis );
    }
}

void KPrefsWidBool::readConfig()
{
    mCheck->setChecked( mItem->value() );
}

void KPrefsWidBool::writeConfig()
{
    mItem->setValue( mCheck->isChecked() );
}

QCheckBox *KPrefsWidBool::checkBox()
{
    return mCheck;
}

QList<QWidget *> KPrefsWidBool::widgets() const
{
    QList<QWidget *> widgets;
    widgets.append( mCheck );
    return widgets;
}

KPrefsWidInt::KPrefsWidInt( KConfigSkeleton::ItemInt *item, QWidget *parent )
    : mItem( item )
{
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );
    mSpin = new QSpinBox( parent );
    if ( !mItem->minValue().isNull() ) {
        mSpin->setMinimum( mItem->minValue().toInt() );
    }
    if ( !mItem->maxValue().isNull() ) {
        mSpin->setMaximum( mItem->maxValue().toInt() );
    }
    connect( mSpin, SIGNAL(valueChanged(int)), SIGNAL(changed()) );
    mLabel->setBuddy( mSpin );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mLabel->setToolTip( toolTip );
        mSpin->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mLabel->setWhatsThis( whatsThis );
        mSpin->setWhatsThis( whatsThis );
    }
}

void KPrefsWidInt::readConfig()
{
    mSpin->setValue( mItem->value() );
}

void KPrefsWidInt::writeConfig()
{
    mItem->setValue( mSpin->value() );
}

QLabel *KPrefsWidInt::label()
{
    return mLabel;
}

QSpinBox *KPrefsWidInt::spinBox()
{
    return mSpin;
}

QList<QWidget *> KPrefsWidInt::widgets() const
{
    QList<QWidget *> widgets;
    widgets.append( mLabel );
    widgets.append( mSpin );
    return widgets;
}

KPrefsWidColor::KPrefsWidColor( KConfigSkeleton::ItemColor *item, QWidget *parent )
    : mItem( item )
{
    mButton = new KColorButton( parent );
    connect( mButton, SIGNAL(changed(QColor)), SIGNAL(changed()) );
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );
    mLabel->setBuddy( mButton );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mButton->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mButton->setWhatsThis( whatsThis );
    }
}

KPrefsWidColor::~KPrefsWidColor()
{
}

void KPrefsWidColor::readConfig()
{
    mButton->setColor( mItem->value() );
}

void KPrefsWidColor::writeConfig()
{
    mItem->setValue( mButton->color() );
}

QLabel *KPrefsWidColor::label()
{
    return mLabel;
}

KColorButton *KPrefsWidColor::button()
{
    return mButton;
}

KPrefsWidFont::KPrefsWidFont( KConfigSkeleton::ItemFont *item,
                              QWidget *parent, const QString &sampleText )
    : mItem( item )
{
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );

    mPreview = new QLabel( sampleText, parent );
    mPreview->setFrameStyle( QFrame::StyledPanel | QFrame::Sunken );

    mButton = new QPushButton( i18n( "Choose..." ), parent );
    connect( mButton, SIGNAL(clicked()), SLOT(selectFont()) );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mPreview->setToolTip( toolTip );
        mButton->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mPreview->setWhatsThis( whatsThis );
        mButton->setWhatsThis( whatsThis );
    }
}

KPrefsWidFont::~KPrefsWidFont()
{
}

void KPrefsWidFont::readConfig()
{
    mPreview->setFont( mItem->value() );
}

void KPrefsWidFont::writeConfig()
{
    mItem->setValue( mPreview->font() );
}

QLabel *KPrefsWidFont::label()
{
    return mLabel;
}

QFrame *KPrefsWidFont::preview()
{
    return mPreview;
}

QPushButton *KPrefsWidFont::button()
{
    return mButton;
}

void KPrefsWidFont::selectFont()
{
#ifndef QT_NO_FONTDIALOG
    QFont myFont( mPreview->font() );
    int result = KFontDialog::getFont( myFont );
    if ( result == KFontDialog::Accepted ) {
        mPreview->setFont( myFont );
        emit changed();
    }
#endif
}

KPrefsWidTime::KPrefsWidTime( KConfigSkeleton::ItemDateTime *item, QWidget *parent )
    : mItem( item )
{
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );
    mTimeEdit = new KTimeComboBox( parent );
    mLabel->setBuddy( mTimeEdit );
    connect( mTimeEdit, SIGNAL(timeEdited(QTime)), SIGNAL(changed()) );
    connect( mTimeEdit, SIGNAL(timeEntered(QTime)), SIGNAL(changed()) );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mTimeEdit->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mTimeEdit->setWhatsThis( whatsThis );
    }
}

void KPrefsWidTime::readConfig()
{
    mTimeEdit->setTime( mItem->value().time() );
}

void KPrefsWidTime::writeConfig()
{
    // Don't overwrite the date value of the QDateTime, so we can use a
    // KPrefsWidTime and a KPrefsWidDate on the same config entry!
    QDateTime dt( mItem->value() );
    dt.setTime( mTimeEdit->time() );
    mItem->setValue( dt );
}

QLabel *KPrefsWidTime::label()
{
    return mLabel;
}

KTimeComboBox *KPrefsWidTime::timeEdit()
{
    return mTimeEdit;
}

KPrefsWidDuration::KPrefsWidDuration( KConfigSkeleton::ItemDateTime *item,
                                      const QString &format, QWidget *parent )
    : mItem( item )
{
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );
    mTimeEdit = new QTimeEdit( parent );
    mLabel->setBuddy( mTimeEdit );
    if ( format.isEmpty() ) {
        mTimeEdit->setDisplayFormat( QLatin1String( "hh:mm:ss" ) );
    } else {
        mTimeEdit->setDisplayFormat( format );
    }
    mTimeEdit->setMinimumTime( QTime( 0, 1 ) ); // [1 min]
    mTimeEdit->setMaximumTime( QTime( 24, 0 ) ); // [24 hr]
    connect( mTimeEdit, SIGNAL(timeChanged(QTime)), SIGNAL(changed()) );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mTimeEdit->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mTimeEdit->setWhatsThis( whatsThis );
    }
}

void KPrefsWidDuration::readConfig()
{
    mTimeEdit->setTime( mItem->value().time() );
}

void KPrefsWidDuration::writeConfig()
{
    QDateTime dt( mItem->value() );
    dt.setTime( mTimeEdit->time() );
    mItem->setValue( dt );
}

QLabel *KPrefsWidDuration::label()
{
    return mLabel;
}

QTimeEdit *KPrefsWidDuration::timeEdit()
{
    return mTimeEdit;
}

KPrefsWidDate::KPrefsWidDate( KConfigSkeleton::ItemDateTime *item, QWidget *parent )
    : mItem( item )
{
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );
    mDateEdit = new KDateComboBox( parent );
    mLabel->setBuddy( mDateEdit );
    connect( mDateEdit, SIGNAL(dateEdited(QDate)), SIGNAL(changed()) );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mDateEdit->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mDateEdit->setWhatsThis( whatsThis );
    }
}

void KPrefsWidDate::readConfig()
{
    if ( !mItem->value().date().isValid() ) {
        mItem->setValue( QDateTime::currentDateTime() );
    }
    mDateEdit->setDate( mItem->value().date().isValid() ?
                            mItem->value().date() : QDate::currentDate() );
}

void KPrefsWidDate::writeConfig()
{
    QDateTime dt( mItem->value() );
    dt.setDate( mDateEdit->date() );
    mItem->setValue( dt );
    if ( !mItem->value().date().isValid() ) {
        mItem->setValue( QDateTime::currentDateTime() );
    }
}

QLabel *KPrefsWidDate::label()
{
    return mLabel;
}

KDateComboBox *KPrefsWidDate::dateEdit()
{
    return mDateEdit;
}

KPrefsWidRadios::KPrefsWidRadios( KConfigSkeleton::ItemEnum *item, QWidget *parent )
    : mItem( item )
{
    mBox = new QGroupBox( mItem->label(), parent );
    new QVBoxLayout( mBox );
    mGroup = new QButtonGroup( parent );
    connect( mGroup, SIGNAL(buttonClicked(int)), SIGNAL(changed()) );
}

KPrefsWidRadios::~KPrefsWidRadios()
{
}

void KPrefsWidRadios::addRadio( int value, const QString &text, const QString &toolTip,
                                const QString &whatsThis )
{
    QRadioButton *r = new QRadioButton( text, mBox );
    mBox->layout()->addWidget( r );
    mGroup->addButton( r, value );
    if ( !toolTip.isEmpty() ) {
        r->setToolTip( toolTip );
    }
    if ( !whatsThis.isEmpty() ) {
        r->setWhatsThis( whatsThis );
    }
}

QGroupBox *KPrefsWidRadios::groupBox() const
{
    return mBox;
}

void KPrefsWidRadios::readConfig()
{
    if ( !mGroup->button( mItem->value() ) )
        return;
    mGroup->button( mItem->value() )->setChecked( true );
}

void KPrefsWidRadios::writeConfig()
{
    mItem->setValue( mGroup->checkedId() );
}

QList<QWidget *> KPrefsWidRadios::widgets() const
{
    QList<QWidget *> w;
    w.append( mBox );
    return w;
}

KPrefsWidCombo::KPrefsWidCombo( KConfigSkeleton::ItemEnum *item, QWidget *parent )
    : mItem( item )
{
    KHBox *hbox = new KHBox( parent );
    new QLabel( mItem->label(), hbox );
    mCombo = new KComboBox( hbox );
    connect( mCombo, SIGNAL(activated(int)), SIGNAL(changed()) );
}

KPrefsWidCombo::~KPrefsWidCombo()
{
}

void KPrefsWidCombo::readConfig()
{
    mCombo->setCurrentIndex( mItem->value() );
}

void KPrefsWidCombo::writeConfig()
{
    mItem->setValue( mCombo->currentIndex() );
}

QList<QWidget *> KPrefsWidCombo::widgets() const
{
    QList<QWidget *> w;
    w.append( mCombo );
    return w;
}

KComboBox *KPrefsWidCombo::comboBox()
{
    return mCombo;
}

KPrefsWidString::KPrefsWidString( KConfigSkeleton::ItemString *item, QWidget *parent,
                                  KLineEdit::EchoMode echomode )
    : mItem( item )
{
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );
    mEdit = new KLineEdit( parent );
    mLabel->setBuddy( mEdit );
    connect( mEdit, SIGNAL(textChanged(QString)), SIGNAL(changed()) );
    mEdit->setEchoMode( echomode );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mEdit->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mEdit->setWhatsThis( whatsThis );
    }
}

KPrefsWidString::~KPrefsWidString()
{
}

void KPrefsWidString::readConfig()
{
    mEdit->setText( mItem->value() );
}

void KPrefsWidString::writeConfig()
{
    mItem->setValue( mEdit->text() );
}

QLabel *KPrefsWidString::label()
{
    return mLabel;
}

KLineEdit *KPrefsWidString::lineEdit()
{
    return mEdit;
}

QList<QWidget *> KPrefsWidString::widgets() const
{
    QList<QWidget *> widgets;
    widgets.append( mLabel );
    widgets.append( mEdit );
    return widgets;
}

KPrefsWidPath::KPrefsWidPath( KConfigSkeleton::ItemPath *item, QWidget *parent,
                              const QString &filter, KFile::Modes mode )
    : mItem( item )
{
    mLabel = new QLabel( mItem->label() + QLatin1Char( ':' ), parent );
    mURLRequester = new KUrlRequester( parent );
    mLabel->setBuddy( mURLRequester );
    mURLRequester->setMode( mode );
    mURLRequester->setFilter( filter );
    connect( mURLRequester, SIGNAL(textChanged(QString)), SIGNAL(changed()) );
    QString toolTip = mItem->toolTip();
    if ( !toolTip.isEmpty() ) {
        mURLRequester->setToolTip( toolTip );
    }
    QString whatsThis = mItem->whatsThis();
    if ( !whatsThis.isEmpty() ) {
        mURLRequester->setWhatsThis( whatsThis );
    }
}

KPrefsWidPath::~KPrefsWidPath()
{
}

void KPrefsWidPath::readConfig()
{
    mURLRequester->setUrl( KUrl( mItem->value() ) );
}

void KPrefsWidPath::writeConfig()
{
    mItem->setValue( mURLRequester->url().path() );
}

QLabel *KPrefsWidPath::label()
{
    return mLabel;
}

KUrlRequester *KPrefsWidPath::urlRequester()
{
    return mURLRequester;
}

QList<QWidget *> KPrefsWidPath::widgets() const
{
    QList<QWidget *> widgets;
    widgets.append( mLabel );
    widgets.append( mURLRequester );
    return widgets;
}

KPrefsWidManager::KPrefsWidManager( KConfigSkeleton *prefs )
    : mPrefs( prefs )
{
}

KPrefsWidManager::~KPrefsWidManager()
{
    qDeleteAll( mPrefsWids );
    mPrefsWids.clear();
}

void KPrefsWidManager::addWid( KPrefsWid *wid )
{
    mPrefsWids.append( wid );
}

KPrefsWidBool *KPrefsWidManager::addWidBool( KConfigSkeleton::ItemBool *item,
                                             QWidget *parent )
{
    KPrefsWidBool *w = new KPrefsWidBool( item, parent );
    addWid( w );
    return w;
}

KPrefsWidTime *KPrefsWidManager::addWidTime( KConfigSkeleton::ItemDateTime *item,
                                             QWidget *parent )
{
    KPrefsWidTime *w = new KPrefsWidTime( item, parent );
    addWid( w );
    return w;
}

KPrefsWidDuration *KPrefsWidManager::addWidDuration( KConfigSkeleton::ItemDateTime *item,
                                                     const QString &format,
                                                     QWidget *parent )
{
    KPrefsWidDuration *w = new KPrefsWidDuration( item, format, parent );
    addWid( w );
    return w;
}

KPrefsWidDate *KPrefsWidManager::addWidDate( KConfigSkeleton::ItemDateTime *item,
                                             QWidget *parent )
{
    KPrefsWidDate *w = new KPrefsWidDate( item, parent );
    addWid( w );
    return w;
}

KPrefsWidColor *KPrefsWidManager::addWidColor( KConfigSkeleton::ItemColor *item,
                                               QWidget *parent )
{
    KPrefsWidColor *w = new KPrefsWidColor( item, parent );
    addWid( w );
    return w;
}

KPrefsWidRadios *KPrefsWidManager::addWidRadios( KConfigSkeleton::ItemEnum *item,
                                                 QWidget *parent )
{
    KPrefsWidRadios *w = new KPrefsWidRadios( item, parent );
    QList<KConfigSkeleton::ItemEnum::Choice2> choices;
    choices = item->choices2();
    QList<KConfigSkeleton::ItemEnum::Choice2>::ConstIterator it;
    int value = 0;
    for ( it = choices.constBegin(); it != choices.constEnd(); ++it ) {
        w->addRadio( value++, (*it).label, (*it).toolTip, (*it).whatsThis );
    }
    addWid( w );
    return w;
}

KPrefsWidCombo *KPrefsWidManager::addWidCombo( KConfigSkeleton::ItemEnum *item,
                                               QWidget *parent )
{
    KPrefsWidCombo *w = new KPrefsWidCombo( item, parent );
    QList<KConfigSkeleton::ItemEnum::Choice> choices;
    choices = item->choices();
    QList<KConfigSkeleton::ItemEnum::Choice>::ConstIterator it;
    for ( it = choices.constBegin(); it != choices.constEnd(); ++it ) {
        w->comboBox()->addItem( (*it).label );
    }
    addWid( w );
    return w;
}

KPrefsWidString *KPrefsWidManager::addWidString( KConfigSkeleton::ItemString *item,
                                                 QWidget *parent )
{
    KPrefsWidString *w = new KPrefsWidString( item, parent, KLineEdit::Normal );
    addWid( w );
    return w;
}

KPrefsWidPath *KPrefsWidManager::addWidPath( KConfigSkeleton::ItemPath *item,
                                             QWidget *parent,
                                             const QString &filter,
                                             KFile::Modes mode )
{
    KPrefsWidPath *w = new KPrefsWidPath( item, parent, filter, mode );
    addWid( w );
    return w;
}

KPrefsWidString *KPrefsWidManager::addWidPassword( KConfigSkeleton::ItemString *item,
                                                   QWidget *parent )
{
    KPrefsWidString *w = new KPrefsWidString( item, parent, KLineEdit::Password );
    addWid( w );
    return w;
}

KPrefsWidFont *KPrefsWidManager::addWidFont( KConfigSkeleton::ItemFont *item,
                                             QWidget *parent,
                                             const QString &sampleText )
{
    KPrefsWidFont *w = new KPrefsWidFont( item, parent, sampleText );
    addWid( w );
    return w;
}

KPrefsWidInt *KPrefsWidManager::addWidInt( KConfigSkeleton::ItemInt *item,
                                           QWidget *parent )
{
    KPrefsWidInt *w = new KPrefsWidInt( item, parent );
    addWid( w );
    return w;
}

void KPrefsWidManager::setWidDefaults()
{
    bool tmp = mPrefs->useDefaults( true );
    readWidConfig();
    mPrefs->useDefaults( tmp );
}

void KPrefsWidManager::readWidConfig()
{
    QList<KPrefsWid*>::Iterator it;
    for ( it = mPrefsWids.begin(); it != mPrefsWids.end(); ++it ) {
        (*it)->readConfig();
    }
}

void KPrefsWidManager::writeWidConfig()
{
    QList<KPrefsWid*>::Iterator it;
    for ( it = mPrefsWids.begin(); it != mPrefsWids.end(); ++it ) {
        (*it)->writeConfig();
    }

    mPrefs->writeConfig();
}

KPrefsDialog::KPrefsDialog( KConfigSkeleton *prefs, QWidget *parent, bool modal )
    : KPageDialog( parent ),
      KPrefsWidManager( prefs )
{
    setFaceType( List );
    setCaption( i18n( "Preferences" ) );
    setButtons( Ok|Apply|Cancel|Default );
    setDefaultButton( Ok );
    setModal( modal );
    showButtonSeparator( true );
    connect( this, SIGNAL(okClicked()), SLOT(slotOk()) );
    connect( this, SIGNAL(applyClicked()), SLOT(slotApply()) );
    connect( this, SIGNAL(defaultClicked()), SLOT(slotDefault()) );
    connect( this, SIGNAL(cancelClicked()), SLOT(reject()) );
}

KPrefsDialog::~KPrefsDialog()
{

}

void KPrefsDialog::autoCreate()
{
    KConfigSkeletonItem::List items = prefs()->items();

    QMap<QString,QWidget *> mGroupPages;
    QMap<QString,QGridLayout *> mGroupLayouts;
    QMap<QString,int> mCurrentRows;

    KConfigSkeletonItem::List::ConstIterator it;
    for ( it = items.constBegin(); it != items.constEnd(); ++it ) {
        QString group = (*it)->group();
        //QString name = (*it)->name();

        QWidget *page;
        QGridLayout *layout;
        int currentRow;
        if ( !mGroupPages.contains( group ) ) {
            page = new QWidget( this );
            addPage( page, group );
            layout = new QGridLayout( page );
            mGroupPages.insert( group, page );
            mGroupLayouts.insert( group, layout );
            currentRow = 0;
            mCurrentRows.insert( group, currentRow );
        } else {
            page = mGroupPages[ group ];
            layout = mGroupLayouts[ group ];
            currentRow = mCurrentRows[ group ];
        }

        KPrefsWid *wid = KPrefsWidFactory::create( *it, page );

        if ( wid ) {
            QList<QWidget *> widgets = wid->widgets();
            if ( widgets.count() == 1 ) {
                layout->addWidget( widgets[ 0 ], currentRow, currentRow, 0, 1 );
            } else if ( widgets.count() == 2 ) {
                layout->addWidget( widgets[ 0 ], currentRow, 0 );
                layout->addWidget( widgets[ 1 ], currentRow, 1 );
            } else {
                kError() <<"More widgets than expected:" << widgets.count();
            }

            if ( (*it)->isImmutable() ) {
                QList<QWidget *>::Iterator it2;
                for ( it2 = widgets.begin(); it2 != widgets.end(); ++it2 ) {
                    (*it2)->setEnabled( false );
                }
            }
            addWid( wid );
            mCurrentRows.insert( group, ++currentRow );
        }
    }

    readConfig();
}

void KPrefsDialog::setDefaults()
{
    setWidDefaults();
}

void KPrefsDialog::readConfig()
{
    readWidConfig();
    usrReadConfig();
}

void KPrefsDialog::writeConfig()
{
    writeWidConfig();
    usrWriteConfig();
    readConfig();
}

void KPrefsDialog::slotApply()
{
    writeConfig();

    emit configChanged();
}

void KPrefsDialog::slotOk()
{
    slotApply();
    accept();
}

void KPrefsDialog::slotDefault()
{
    if ( KMessageBox::warningContinueCancel(
             this,
             i18n( "You are about to set all preferences to default values. "
                   "All custom modifications will be lost." ),
             i18n( "Setting Default Preferences" ),
             KGuiItem( i18n( "Reset to Defaults" ) ) ) == KMessageBox::Continue ) {
        setDefaults();
    }
}

KPrefsModule::KPrefsModule( KConfigSkeleton *prefs, const KComponentData &instance,
                            QWidget *parent, const QVariantList &args )
    : KCModule( instance, parent, args ),
      KPrefsWidManager( prefs )
{
    emit changed( false );
}

void KPrefsModule::addWid( KPrefsWid *wid )
{
    KPrefsWidManager::addWid( wid );
    connect( wid, SIGNAL(changed()), SLOT(slotWidChanged()) );
}

void KPrefsModule::slotWidChanged()
{
    emit changed( true );
}

void KPrefsModule::load()
{
    readWidConfig();
    usrReadConfig();

    emit changed( false );
}

void KPrefsModule::save()
{
    writeWidConfig();
    usrWriteConfig();
}

void KPrefsModule::defaults()
{
    setWidDefaults();

    emit changed( true );
}