Expose area::State in Memory

crates/egui/src/containers/area.rs

@@ -8,7 +8,7 @@ use crate::*;
 // TODO(emilk): this is not currently stored in `Memory::data`, but maybe it should be?
 #[derive(Clone, Copy, Debug)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
-pub(crate) struct State {
+pub struct State {
     /// Last known pos of the pivot
     pub pivot_pos: Pos2,
 

crates/egui/src/memory.rs

@@ -487,6 +487,11 @@ impl Memory {
     pub fn reset_areas(&mut self) {
         self.areas = Default::default();
     }
+
+    /// Obtain the state (positions, sizes ect) of a window.
+    pub fn area_state(&self, title: impl Into<WidgetText>) -> Option<&area::State> {
+        self.areas.areas.get(&Id::new(title.into()))
+    }
 }
 
 /// ## Popups