add Deref for Ui

crates/egui/src/painter.rs

@@ -16,7 +16,7 @@ use epaint::{
 #[derive(Clone)]
 pub struct Painter {
     /// Source of fonts and destination of shapes
-    ctx: Context,
+    pub(crate) ctx: Context,
 
     /// Where we paint
     layer_id: LayerId,

crates/egui/src/ui.rs

@@ -1,7 +1,7 @@
 #![warn(missing_docs)] // Let's keep `Ui` well-documented.
 #![allow(clippy::use_self)]
 
-use std::{any::Any, hash::Hash, sync::Arc};
+use std::{any::Any, hash::Hash, ops::Deref, sync::Arc};
 
 use epaint::mutex::RwLock;
 
@@ -2320,6 +2320,14 @@ impl Ui {
     }
 }
 
+impl Deref for Ui {
+    type Target = Context;
+
+    fn deref(&self) -> &Self::Target {
+        self.ctx()
+    }
+}
+
 #[cfg(debug_assertions)]
 impl Drop for Ui {
     fn drop(&mut self) {