Files
iris/src/widget/position/align.rs

36 lines
1.0 KiB
Rust

use crate::prelude::*;
pub struct Aligned {
pub inner: WidgetHandle,
pub align: Align,
}
impl Widget for Aligned {
fn draw(&mut self, painter: &mut Painter) {
let region = match self.align.tuple() {
(Some(x), Some(y)) => painter
.size(&self.inner)
.to_uivec2()
.align(RegionAlign { x, y }),
(Some(x), None) => {
let x = painter.size_ctx().width(&self.inner).apply_rest().align(x);
UiRegion::new(x, UiSpan::FULL)
}
(None, Some(y)) => {
let y = painter.size_ctx().height(&self.inner).apply_rest().align(y);
UiRegion::new(UiSpan::FULL, y)
}
(None, None) => UiRegion::FULL,
};
painter.widget_within(&self.inner, region);
}
fn desired_width(&mut self, ctx: &mut SizeCtx) -> Len {
ctx.width(&self.inner)
}
fn desired_height(&mut self, ctx: &mut SizeCtx) -> Len {
ctx.height(&self.inner)
}
}