connectCreateWindow
fun connectCreateWindow(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (page: Widget) -> Notebook?): <Error class: unknown class>
The ::create-window signal is emitted when a detachable tab is dropped on the root window.
A handler for this signal can create a window containing a notebook where the tab will be attached. It is also responsible for moving/resizing the window and adding the necessary properties to the notebook (e.g. the GtkNotebook:group-name ).
Parameters
connectFlags
A combination of ConnectFlags
handler
the Callback to connect. Params: page the tab of @notebook that is being detached. Returns a GtkNotebook that