From c670d8c56d14c48e5641819458695c607531501c Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 8 May 2021 21:18:51 +0200
Subject: [PATCH] LibGUI: Add UndoStack::{undo,redo}_action_text()

These return the action_text() for the current undo and redo commands,
if available.
---
 Userland/Libraries/LibGUI/UndoStack.cpp | 14 ++++++++++++++
 Userland/Libraries/LibGUI/UndoStack.h   |  3 +++
 2 files changed, 17 insertions(+)

diff --git a/Userland/Libraries/LibGUI/UndoStack.cpp b/Userland/Libraries/LibGUI/UndoStack.cpp
index 759b97b5f4..ea7aa2a125 100644
--- a/Userland/Libraries/LibGUI/UndoStack.cpp
+++ b/Userland/Libraries/LibGUI/UndoStack.cpp
@@ -109,4 +109,18 @@ void UndoStack::clear()
         on_state_change();
 }
 
+Optional<String> UndoStack::undo_action_text() const
+{
+    if (!can_undo())
+        return {};
+    return m_stack[m_stack_index - 1].action_text();
+}
+
+Optional<String> UndoStack::redo_action_text() const
+{
+    if (!can_redo())
+        return {};
+    return m_stack[m_stack_index].action_text();
+}
+
 }
diff --git a/Userland/Libraries/LibGUI/UndoStack.h b/Userland/Libraries/LibGUI/UndoStack.h
index 2957ca0b97..44dd9ca0bf 100644
--- a/Userland/Libraries/LibGUI/UndoStack.h
+++ b/Userland/Libraries/LibGUI/UndoStack.h
@@ -30,6 +30,9 @@ public:
 
     void clear();
 
+    Optional<String> undo_action_text() const;
+    Optional<String> redo_action_text() const;
+
     Function<void()> on_state_change;
 
 private: