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#include "previewframe.h"

#include <QBoxLayout>

#include <QPainter>

#include <QMdiSubWindow>

QT_BEGIN_NAMESPACE

PreviewFrame::PreviewFrame( QWidget *parent, const char *name )

    : QFrame( parent, name )

{

    setMinimumSize(200, 200);

    setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);

    setLineWidth(1);

    QVBoxLayout *vbox = new QVBoxLayout(this);

    vbox->setMargin(0);

    previewWidget = new PreviewWidget;

    workspace = new Workspace(this);

    vbox->addWidget(workspace);

    previewWidget->setAutoFillBackground(true);

}

void PreviewFrame::setPreviewPalette(QPalette pal)

{

    previewWidget->setPalette(pal);

}

QString PreviewFrame::previewText() const

{

    return m_previewWindowText;

}

void PreviewFrame::setPreviewVisible(bool visible)

{

    previewWidget->parentWidget()->setVisible(visible);

    if (visible)

        m_previewWindowText = QLatin1String("The moose in the noose\nate the goose who was loose.");

    else

        m_previewWindowText = tr("Desktop settings will only take effect after an application restart.");

    workspace->viewport()->update();

}

Workspace::Workspace(PreviewFrame* parent, const char* name)

    : QMdiArea(parent)

{

    previewFrame = parent;

    PreviewWidget *previewWidget = previewFrame->widget();

    setObjectName(QLatin1String(name));

    QMdiSubWindow *frame = addSubWindow(previewWidget, Qt::Window);

    frame->move(10,10);

    frame->show();

}

void Workspace::paintEvent( QPaintEvent* )

{

    QPainter p (viewport());

    p.fillRect(rect(), palette().color(backgroundRole()).dark());

    p.setPen( QPen( Qt::white ) );

    p.drawText ( 0, height() / 2,  width(), height(), Qt::AlignHCenter, previewFrame->previewText());

}

QT_END_NAMESPACE