Files
iris/src/core/position/pad.rs

75 lines
1.7 KiB
Rust

use crate::prelude::*;
pub struct Pad {
pub padding: Padding,
pub inner: WidgetId,
}
impl Widget for Pad {
fn draw(&mut self, painter: &mut Painter) {
painter.widget_within(&self.inner, self.padding.region());
}
fn desired_size(&mut self, ctx: &mut SizeCtx) -> Size {
let mut size = ctx.size(&self.inner);
if size.x.rest == 0.0 {
size.x.abs += self.padding.left + self.padding.right;
}
if size.y.rest == 0.0 {
size.y.abs += self.padding.top + self.padding.bottom;
}
size
}
}
pub struct Padding {
pub left: f32,
pub right: f32,
pub top: f32,
pub bottom: f32,
}
impl Padding {
pub fn uniform(amt: impl UiNum) -> Self {
let amt = amt.to_f32();
Self {
left: amt,
right: amt,
top: amt,
bottom: amt,
}
}
pub fn region(&self) -> UiRegion {
let mut region = UiRegion::full();
region.top_left.abs.x += self.left;
region.top_left.abs.y += self.top;
region.bot_right.abs.x -= self.right;
region.bot_right.abs.y -= self.bottom;
region
}
pub fn x(amt: impl UiNum) -> Self {
let amt = amt.to_f32();
Self {
left: amt,
right: amt,
top: 0.0,
bottom: 0.0,
}
}
pub fn y(amt: impl UiNum) -> Self {
let amt = amt.to_f32();
Self {
left: 0.0,
right: 0.0,
top: amt,
bottom: amt,
}
}
}
impl<T: UiNum> From<T> for Padding {
fn from(amt: T) -> Self {
Self::uniform(amt.to_f32())
}
}