From 5be03543dd87d7745019c6e42d76c06790d4f371 Mon Sep 17 00:00:00 2001
From: Jason Lee <huacnlee@gmail.com>
Date: Fri, 3 Jan 2025 16:57:00 +0800
Subject: [PATCH] history: Export `undos`, `redos` methods, and add `clear`
 method. (#527)

---
 crates/ui/src/history.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/crates/ui/src/history.rs b/crates/ui/src/history.rs
index 6a854b72..05eb9d23 100644
--- a/crates/ui/src/history.rs
+++ b/crates/ui/src/history.rs
@@ -80,6 +80,22 @@ where
         self.undos.push(item);
     }
 
+    /// Get the undo stack.
+    pub fn undos(&self) -> &Vec<I> {
+        &self.undos
+    }
+
+    /// Get the redo stack.
+    pub fn redos(&self) -> &Vec<I> {
+        &self.redos
+    }
+
+    /// Clear the undo and redo stacks.
+    pub fn clear(&mut self) {
+        self.undos.clear();
+        self.redos.clear();
+    }
+
     pub fn undo(&mut self) -> Option<Vec<I>> {
         if let Some(first_change) = self.undos.pop() {
             let mut changes = vec![first_change.clone()];