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author | Alexandru Croitor <alexandru.croitor@qt.io> | 2019-10-14 17:46:16 +0200 |
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committer | Alexandru Croitor <alexandru.croitor@qt.io> | 2019-10-14 17:46:34 +0200 |
commit | 440286655e0ca271506cf7cc02ad0dbf4baef9ca (patch) | |
tree | 896fa81adb8b14a69355a3a6cf64d06ec8173c9a /src/plugins/platforms/windows/qwindowsclipboard.cpp | |
parent | 1e27ad1697187549151657ba187928e439300db7 (diff) | |
parent | e164d61ca8263fc4b46fdd916e1ea77c7dd2b735 (diff) |
Merge remote-tracking branch 'origin/dev' into wip/cmake
Change-Id: I4a78428a8ea273b6960792e3b8043f816fa37fcf
Diffstat (limited to 'src/plugins/platforms/windows/qwindowsclipboard.cpp')
-rw-r--r-- | src/plugins/platforms/windows/qwindowsclipboard.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/plugins/platforms/windows/qwindowsclipboard.cpp b/src/plugins/platforms/windows/qwindowsclipboard.cpp index b87e43f3f7..4e6d3306e1 100644 --- a/src/plugins/platforms/windows/qwindowsclipboard.cpp +++ b/src/plugins/platforms/windows/qwindowsclipboard.cpp @@ -115,12 +115,21 @@ static QDebug operator<<(QDebug d, const QMimeData *mimeData) IDataObject *QWindowsClipboardRetrievalMimeData::retrieveDataObject() const { + enum : int { attempts = 3 }; IDataObject * pDataObj = nullptr; - if (OleGetClipboard(&pDataObj) == S_OK) { - if (QWindowsContext::verbose > 1) - qCDebug(lcQpaMime) << __FUNCTION__ << pDataObj; - return pDataObj; + // QTBUG-53979, retry in case the other application has clipboard locked + for (int i = 1; i <= attempts; ++i) { + if (SUCCEEDED(OleGetClipboard(&pDataObj))) { + if (QWindowsContext::verbose > 1) + qCDebug(lcQpaMime) << __FUNCTION__ << pDataObj; + return pDataObj; + } + qCWarning(lcQpaMime, i == attempts + ? "Unable to obtain clipboard." + : "Retrying to obtain clipboard."); + QThread::msleep(50); } + return nullptr; } |