iced/core/src/length.rs
2019-11-29 20:52:26 -05:00

35 lines
880 B
Rust

/// The strategy used to fill space in a specific dimension.
#[derive(Debug, Clone, Copy, PartialEq, Hash)]
pub enum Length {
/// Fill all the remaining space
Fill,
/// Fill the least amount of space
Shrink,
/// Fill a fixed amount of space
Units(u16),
}
impl Length {
/// Returns the _fill factor_ of the [`Length`].
///
/// The _fill factor_ is a relative unit describing how much of the
/// remaining space should be filled when compared to other elements. It
/// is only meant to be used by layout engines.
///
/// [`Length`]: enum.Length.html
pub fn fill_factor(&self) -> u16 {
match self {
Length::Fill => 1,
Length::Shrink => 0,
Length::Units(_) => 0,
}
}
}
impl From<u16> for Length {
fn from(units: u16) -> Self {
Length::Units(units)
}
}