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use crate::kurbo::Size;
use crate::{
BoxConstraints, Data, Env, Event, EventCtx, LayoutCtx, LifeCycle, LifeCycleCtx, PaintCtx,
UpdateCtx, Widget, WidgetId,
};
pub struct IdentityWrapper<W> {
id: WidgetId,
inner: W,
}
impl<W> IdentityWrapper<W> {
pub fn wrap(inner: W, id: WidgetId) -> IdentityWrapper<W> {
IdentityWrapper { id, inner }
}
}
impl<T: Data, W: Widget<T>> Widget<T> for IdentityWrapper<W> {
fn event(&mut self, ctx: &mut EventCtx, event: &Event, data: &mut T, env: &Env) {
self.inner.event(ctx, event, data, env);
}
fn lifecycle(&mut self, ctx: &mut LifeCycleCtx, event: &LifeCycle, data: &T, env: &Env) {
self.inner.lifecycle(ctx, event, data, env)
}
fn update(&mut self, ctx: &mut UpdateCtx, old_data: &T, data: &T, env: &Env) {
self.inner.update(ctx, old_data, data, env);
}
fn layout(&mut self, ctx: &mut LayoutCtx, bc: &BoxConstraints, data: &T, env: &Env) -> Size {
self.inner.layout(ctx, bc, data, env)
}
fn paint(&mut self, ctx: &mut PaintCtx, data: &T, env: &Env) {
self.inner.paint(ctx, data, env);
}
fn id(&self) -> Option<WidgetId> {
Some(self.id)
}
}