Function fltk::app::callback_reason

source · 
pub fn callback_reason() -> CallbackReason
Expand description

Get the callback reason

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