innermost mainloop
mainIteration
fn
bool mainIteration()Runs a single iteration of the mainloop.
If no events are waiting to be processed GTK+ will block until the next event is noticed. If you don’t want to block look at gtk.global.mainIterationDo or check if any events are pending with gtk.global.eventsPending first.
Returns
true if gtk.global.mainQuit has been called for the