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Fix QWindowsClipboard crash when mimeData is NULL.

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When setting NULL mimeData in QWindowsClipboard::setMimeData, and the
OleSetClipboard call failed, the warning print crashed because it
tried to access mimeData.

Task-number: QTBUG-24327
Change-Id: I1f56fd28c9191a330e14a93b4b11ac9c89db6985
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
This commit is contained in:
Miikka Heikkinen 2012-02-16 12:27:46 +02:00 committed by Qt by Nokia
parent b838170ceb
commit 543d994967
1 changed files with 5 additions and 2 deletions
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5
src/plugins/platforms/windows/qwindowsclipboard.cpp
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@ -326,13 +326,16 @@ void QWindowsClipboard::setMimeData(QMimeData *mimeData, QClipboard::Mode mode)
const bool newData = !m_data || m_data->mimeData() != mimeData;
if (newData) {
releaseIData();
if (mimeData)
m_data = new QWindowsOleDataObject(mimeData);
}
const HRESULT src = OleSetClipboard(m_data);
if (src != S_OK) {
QString mimeDataFormats = mimeData ?
mimeData->formats().join(QStringLiteral(", ")) : QString(QStringLiteral("NULL"));
qErrnoWarning("OleSetClipboard: Failed to set mime data (%s) on clipboard: %s",
qPrintable(mimeData->formats().join(QStringLiteral(", "))),
qPrintable(mimeDataFormats),
QWindowsContext::comErrorString(src).constData());
releaseIData();
return;