onQueryActivatable
fun onQueryActivatable(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (<Error class: unknown class>, <Error class: unknown class>) -> Boolean): <Error class: unknown class>
The signal is emitted when the renderer can possibly be activated.
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect. Params: iter a #GtkTextIter; area a #GdkRectangle