hUI/hui/src/measure.rs

42 lines
1.2 KiB
Rust

//! element measurement, hints and responses
use glam::Vec2;
use crate::rect::Rect;
// #[non_exhaustive]
#[derive(Default)]
pub struct Hints {
pub inner_content_size: Option<Vec2>,
pub inner_content_size_cache: Option<Vec<Vec2>>,
}
#[derive(Default)]
pub struct Response {
/// Computed size of the element
pub size: Vec2,
/// Hints for the layout system, can be used to optimize the layout engine.\
/// These will never cause the UI to be rendered differently (assuming the values are correct)
pub hints: Hints,
/// Arbitrary user data, can be used to pass data (for example, cache) between measure and process stages
pub user_data: Option<Box<dyn std::any::Any>>,
/// If true, the element should always cause the content to wrap to the next line\
/// (the element itself gets wrapped to the next line too)
///
/// You should almost never set this, and the exact behavior may change in the future
///
/// Currently, this forces wrapping even if Container::wrap is set to false
pub should_wrap: bool,
}
impl Response {
pub fn rect(&self, position: Vec2) -> Rect {
Rect {
position,
size: self.size,
}
}
}