diff options
Diffstat (limited to 'src/webenginewidgets/api/qwebenginepage.cpp')
| -rw-r--r-- | src/webenginewidgets/api/qwebenginepage.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/webenginewidgets/api/qwebenginepage.cpp b/src/webenginewidgets/api/qwebenginepage.cpp index 790d802f0..a1ddf88d7 100644 --- a/src/webenginewidgets/api/qwebenginepage.cpp +++ b/src/webenginewidgets/api/qwebenginepage.cpp @@ -2382,6 +2382,10 @@ void QWebEnginePage::printToPdf(const QString &filePath, const QPageLayout &page The \a resultCallback must take a const reference to a QByteArray as parameter. If printing was successful, this byte array will contain the PDF data, otherwise, the byte array will be empty. + \warning We guarantee that the callback (\a resultCallback) is always called, but it might be done + during page destruction. When QWebEnginePage is deleted, the callback is triggered with an invalid + value and it is not safe to use the corresponding QWebEnginePage or QWebEngineView instance inside it. + \since 5.7 */ void QWebEnginePage::printToPdf(const QWebEngineCallback<const QByteArray&> &resultCallback, const QPageLayout &pageLayout) @@ -2414,6 +2418,11 @@ void QWebEnginePage::printToPdf(const QWebEngineCallback<const QByteArray&> &res The \a resultCallback must take a boolean as parameter. If printing was successful, this boolean will have the value \c true, otherwise, its value will be \c false. + + \warning We guarantee that the callback (\a resultCallback) is always called, but it might be done + during page destruction. When QWebEnginePage is deleted, the callback is triggered with an invalid + value and it is not safe to use the corresponding QWebEnginePage or QWebEngineView instance inside it. + \since 5.8 */ void QWebEnginePage::print(QPrinter *printer, const QWebEngineCallback<bool> &resultCallback) |