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embeddeddialog.cpp

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**
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** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
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** This file contains pre-release code and may not be distributed.
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** GNU General Public License Usage
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#include "embeddeddialog.h"
#include "ui_embeddeddialog.h"

#include <QtGui>

EmbeddedDialog::EmbeddedDialog(QWidget *parent)
    : QDialog(parent)
{
    ui = new Ui_embeddedDialog;
    ui->setupUi(this);
    ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight);

    foreach (QString styleName, QStyleFactory::keys()) {
        ui->style->addItem(styleName);
        if (style()->objectName().toLower() == styleName.toLower())
            ui->style->setCurrentIndex(ui->style->count() - 1);
    }

    connect(ui->layoutDirection, SIGNAL(activated(int)),
            this, SLOT(layoutDirectionChanged(int)));
    connect(ui->spacing, SIGNAL(valueChanged(int)),
            this, SLOT(spacingChanged(int)));
    connect(ui->fontComboBox, SIGNAL(currentFontChanged(const QFont &)),
            this, SLOT(fontChanged(const QFont &)));
    connect(ui->style, SIGNAL(activated(QString)),
            this, SLOT(styleChanged(QString)));
}

EmbeddedDialog::~EmbeddedDialog()
{
    delete ui;
}

void EmbeddedDialog::layoutDirectionChanged(int index)
{
    setLayoutDirection(index == 0 ? Qt::LeftToRight : Qt::RightToLeft);
}

void EmbeddedDialog::spacingChanged(int spacing)
{
    layout()->setSpacing(spacing);
    adjustSize();
}

void EmbeddedDialog::fontChanged(const QFont &font)
{
    setFont(font);
}

static void setStyleHelper(QWidget *widget, QStyle *style)
{
    widget->setStyle(style);
    widget->setPalette(style->standardPalette());
    foreach (QObject *child, widget->children()) {
        if (QWidget *childWidget = qobject_cast<QWidget *>(child))
            setStyleHelper(childWidget, style);
    }
}

void EmbeddedDialog::styleChanged(const QString &styleName)
{
    QStyle *style = QStyleFactory::create(styleName);
    if (style)
        setStyleHelper(this, style);
}

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