/* This file is part of the KDE libraries
   Copyright (C) 2005 David Faure <faure@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 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 "khbox.h"

#include <QtCore/QEvent>
#include <QtGui/QApplication>
#include <QtGui/QHBoxLayout>
#include <QtGui/QVBoxLayout>

KHBox::KHBox(QWidget* parent)
    : QFrame(parent)
{
    QHBoxLayout* layout = new QHBoxLayout(this);
    layout->setSpacing(0);
    layout->setMargin(0);

    setLayout(layout);
}


KHBox::KHBox(bool /*vertical*/, QWidget* parent)
    : QFrame(parent)
{
    QVBoxLayout* layout = new QVBoxLayout(this);
    layout->setSpacing(0);
    layout->setMargin(0);

    setLayout(layout);
}

void KHBox::childEvent(QChildEvent* event)
{
    switch (event->type()) {
        case QEvent::ChildAdded: {
            QChildEvent* childEvent = static_cast<QChildEvent*>(event);
            if (childEvent->child()->isWidgetType()) {
                QWidget* widget = static_cast<QWidget*>(childEvent->child());
                static_cast<QBoxLayout*>(layout())->addWidget(widget);
            }
            break;
        }
        case QEvent::ChildRemoved: {
            QChildEvent* childEvent = static_cast<QChildEvent*>(event);
            if (childEvent->child()->isWidgetType()) {
                QWidget* widget = static_cast<QWidget *>(childEvent->child());
                static_cast<QBoxLayout*>(layout())->removeWidget(widget);
            }
            break;
        }
        default: {
            break;
        }
    }
    QFrame::childEvent(event);
}

QSize KHBox::sizeHint() const
{
    KHBox* that = const_cast<KHBox*>(this);
    QApplication::sendPostedEvents(that, QEvent::ChildAdded);

    return QFrame::sizeHint();
}

QSize KHBox::minimumSizeHint() const
{
    KHBox* that = const_cast<KHBox *>( this );
    QApplication::sendPostedEvents(that, QEvent::ChildAdded);

    return QFrame::minimumSizeHint();
}

void KHBox::setSpacing(int spacing)
{
    layout()->setSpacing(spacing);
}

void KHBox::setStretchFactor(QWidget* widget, int stretch)
{
    static_cast<QBoxLayout *>(layout())->setStretchFactor(widget, stretch);
}

void KHBox::setMargin(int margin)
{
    layout()->setMargin(margin);
}

#include "moc_khbox.cpp"