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| -rw-r--r-- | src/webenginewidgets/api/qwebenginepage.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/webenginewidgets/api/qwebenginepage.cpp b/src/webenginewidgets/api/qwebenginepage.cpp index 10c9e586c..745ce03fc 100644 --- a/src/webenginewidgets/api/qwebenginepage.cpp +++ b/src/webenginewidgets/api/qwebenginepage.cpp @@ -2267,6 +2267,11 @@ void QWebEnginePage::printToPdf(const QWebEngineCallback<const QByteArray&> &res It is the users responsibility to ensure the \a printer remains valid until \a resultCallback has been called. + \note The rendering of the current content into a temporary PDF document is asynchronous and does + not block the main thread. However, the subsequent rendering of PDF into \a printer runs on the + main thread and will therefore block the event loop. Moreover, printing runs on the browser + process, which is by default not sandboxed. + 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. \since 5.8 |