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** contained in the Technology Preview License Agreement accompanying

** this package.

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****************************************************************************/

#include <QtGui>

#include "window.h"

MyWidget::MyWidget(QWidget *parent)

    : QWidget(parent)

{

    QLabel *textLabel = new QLabel(tr("Data:"), this);

    dataLabel = new QLabel(this);

    dataLabel->setFixedSize(200, 200);

    QVBoxLayout *layout = new QVBoxLayout(this);

    layout->addWidget(textLabel);

    layout->addWidget(dataLabel);

    setAcceptDrops(true);

    setWindowTitle(tr("Drop Events"));

}

//! [0]

void MyWidget::dragEnterEvent(QDragEnterEvent *event)

{

    if (event->mimeData()->hasText() || event->mimeData()->hasImage())

        event->acceptProposedAction();

}

//! [0]

//! [1]

void MyWidget::dropEvent(QDropEvent *event)

{

    if (event->mimeData()->hasText())

        dataLabel->setText(event->mimeData()->text());

    else if (event->mimeData()->hasImage()) {

        QVariant imageData = event->mimeData()->imageData();

        dataLabel->setPixmap(qvariant_cast<QPixmap>(imageData));

    }

    event->acceptProposedAction();

}

//! [1]

//! [2]

void MyWidget::mousePressEvent(QMouseEvent *event)

{

//! [2]

    QString text = dataLabel->text();

    QPixmap iconPixmap(32, 32);

    iconPixmap.fill(qRgba(255, 0, 0, 127));

    QImage image(100, 100, QImage::Format_RGB32);

    image.fill(qRgb(0, 0, 255));

//! [3]

    if (event->button() == Qt::LeftButton) {

        QDrag *drag = new QDrag(this);

        QMimeData *mimeData = new QMimeData;

        mimeData->setText(text);

        mimeData->setImageData(image);

        drag->setMimeData(mimeData);

        drag->setPixmap(iconPixmap);

        Qt::DropAction dropAction = drag->exec();

//! [3]

        // ...

//! [4]

        event->accept();

    }

//! [4]

    else if (event->button() == Qt::MidButton) {

        QDrag *drag = new QDrag(this);

        QMimeData *mimeData = new QMimeData;

        mimeData->setImageData(image);

        drag->setMimeData(mimeData);

        drag->setPixmap(iconPixmap);

        Qt::DropAction dropAction = drag->exec();

        // ...

        event->accept();

    }

//! [5]

}

//! [5]