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use std::collections::BTreeSet;

#[derive(Hash, PartialEq, Eq, Clone, Copy, PartialOrd, Ord, Debug)]
pub enum Property {
    MouseOver,
    Activated,
    Selected,
    Pressed,
    Inactive,
    Focused,
}
pub type PropSet = BTreeSet<Property>;

pub mod states {
    use super::{Property, PropSet};
    lazy_static! {
        pub static ref MOUSEOVER: PropSet = btreeset!{Property::MouseOver};
        pub static ref PRESSED: PropSet = btreeset!{Property::Pressed};
        pub static ref ACTIVATED: PropSet = btreeset!{Property::Activated};
        pub static ref ACTIVATED_PRESSED: PropSet = btreeset!{Property::Activated, Property::Pressed};
        pub static ref SELECTED: PropSet = btreeset!{Property::Selected};
        pub static ref INACTIVE: PropSet = btreeset!{Property::Inactive};
        pub static ref FOCUSED: PropSet = btreeset!{Property::Focused};
    }
}