onQueryTooltipText
fun onQueryTooltipText( connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (mark: Mark) -> String): <Error class: unknown class>(source)
The code should connect to this signal to provide a tooltip for given
Parameters
connectFlags
a combination of ConnectFlags
handler
the Callback to connect. Params: mark The #GtkSourceMark.. Returns A tooltip. The string should be freed with g_free() when done with it.