callback_reason

fltk::app

Function callback_reason 

Source 
pub fn callback_reason() -> CallbackReason
Expand description

Get the callback reason

Examples found in repository?
examples/closable_tab.rs (line 4)
3fn tab_close_cb(g: &mut impl GroupExt) {
4    if app::callback_reason() == CallbackReason::Closed {
5        let mut parent = g.parent().unwrap();
6        parent.remove(g);
7        app::redraw();
8    }
9}