QMimeData* PictureImage::dragObject(QWidget *dragSource, const char *name)
{
Q_UNUSED(dragSource); // Was used in Qt3?
QMimeData* mimeData = new QMimeData();
mimeData->setImageData(m_originalImage);
mimeData->setObjectName(name);
return mimeData;
}
QMimeData* PictureBase::dragObject(QWidget * dragSource, const char * name)
{
Q_UNUSED(dragSource);
QImage image(generateImage(getOriginalSize()));
if (image.isNull())
return 0;
else {
QMimeData* mimeData = new QMimeData();
mimeData->setImageData(image);
mimeData->setObjectName(name);
return mimeData; // XXX: Qt3 use dragsource here?
}
}
/**
* Mouse move event handler.
*/
void TiledWindow::mouseMoveEvent(QMouseEvent *ev) {
if (!m_buttonPressed || !hasSelection() ||
(ev->pos() - m_dragStartPos).manhattanLength() <
QApplication::startDragDistance()) {
return;
}
QDrag *drag = new QDrag(this);
QMimeData *mimeData = new QMimeData;
mimeData->setObjectName("TiledWindow");
mimeData->setText(name());
drag->setMimeData(mimeData);
Qt::DropAction dropAction = drag->exec(Qt::CopyAction | Qt::MoveAction);
(void)dropAction;
}
void tst_QClipboard::setMimeData()
{
if (!PlatformClipboard::isAvailable())
QSKIP("Native clipboard not working in this setup");
QMimeData *mimeData = new QMimeData;
const QString TestName(QLatin1String("tst_QClipboard::setMimeData() mimeData"));
mimeData->setObjectName(TestName);
#if defined(Q_OS_WINCE)
// need to set text on CE
mimeData->setText(QLatin1String("Qt/CE foo"));
#endif
QGuiApplication::clipboard()->setMimeData(mimeData);
QCOMPARE(QGuiApplication::clipboard()->mimeData(), (const QMimeData *)mimeData);
QCOMPARE(QGuiApplication::clipboard()->mimeData()->objectName(), TestName);
// set it to the same data again, it shouldn't delete mimeData (and crash as a result)
QGuiApplication::clipboard()->setMimeData(mimeData);
QCOMPARE(QGuiApplication::clipboard()->mimeData(), (const QMimeData *)mimeData);
QCOMPARE(QGuiApplication::clipboard()->mimeData()->objectName(), TestName);
QGuiApplication::clipboard()->clear();
const QMimeData *appMimeData = QGuiApplication::clipboard()->mimeData();
QVERIFY(appMimeData != mimeData || appMimeData->objectName() != TestName);
// check for crash when using the same mimedata object on several clipboards
QMimeData *data = new QMimeData;
data->setText("foo");
QGuiApplication::clipboard()->setMimeData(data, QClipboard::Clipboard);
QGuiApplication::clipboard()->setMimeData(data, QClipboard::Selection);
QGuiApplication::clipboard()->setMimeData(data, QClipboard::FindBuffer);
QSignalSpy spySelection(QGuiApplication::clipboard(), SIGNAL(selectionChanged()));
QSignalSpy spyData(QGuiApplication::clipboard(), SIGNAL(dataChanged()));
QSignalSpy spyFindBuffer(QGuiApplication::clipboard(), SIGNAL(findBufferChanged()));
QGuiApplication::clipboard()->clear(QClipboard::Clipboard);
QGuiApplication::clipboard()->clear(QClipboard::Selection); // used to crash on X11
QGuiApplication::clipboard()->clear(QClipboard::FindBuffer);
if (QGuiApplication::clipboard()->supportsSelection())
QCOMPARE(spySelection.count(), 1);
else
QCOMPARE(spySelection.count(), 0);
if (QGuiApplication::clipboard()->supportsFindBuffer())
QCOMPARE(spyFindBuffer.count(), 1);
else
QCOMPARE(spyFindBuffer.count(), 0);
QCOMPARE(spyData.count(), 1);
// an other crash test
data = new QMimeData;
data->setText("foo");
QGuiApplication::clipboard()->setMimeData(data, QClipboard::Clipboard);
QGuiApplication::clipboard()->setMimeData(data, QClipboard::Selection);
QGuiApplication::clipboard()->setMimeData(data, QClipboard::FindBuffer);
QMimeData *newData = new QMimeData;
newData->setText("bar");
spySelection.clear();
spyData.clear();
spyFindBuffer.clear();
QGuiApplication::clipboard()->setMimeData(newData, QClipboard::Clipboard);
QGuiApplication::clipboard()->setMimeData(newData, QClipboard::Selection); // used to crash on X11
QGuiApplication::clipboard()->setMimeData(newData, QClipboard::FindBuffer);
if (QGuiApplication::clipboard()->supportsSelection())
QCOMPARE(spySelection.count(), 1);
else
QCOMPARE(spySelection.count(), 0);
if (QGuiApplication::clipboard()->supportsFindBuffer())
QCOMPARE(spyFindBuffer.count(), 1);
else
QCOMPARE(spyFindBuffer.count(), 0);
QCOMPARE(spyData.count(), 1);
}
