diff options
| -rw-r--r-- | src/plugins/platforms/windows/qwindowsclipboard.cpp | 17 | ||||
| -rw-r--r-- | src/widgets/kernel/qwidget.cpp | 2 |
2 files changed, 14 insertions, 5 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; } diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp index b70a03b311..588bed0366 100644 --- a/src/widgets/kernel/qwidget.cpp +++ b/src/widgets/kernel/qwidget.cpp @@ -7669,7 +7669,7 @@ void QWidget::show() else if (defaultState == Qt::WindowMaximized) showMaximized(); else - setVisible(true); // FIXME: Why not showNormal(), like QWindow::show()? + setVisible(true); // Don't call showNormal() as not to clobber Qt::Window(Max/Min)imized } /*! \internal |