From 4f69f027efe98ec64c2cacb90ec69489f62b4ba9 Mon Sep 17 00:00:00 2001
From: Gary Talent <gary@drinkingtea.net>
Date: Sun, 13 Feb 2022 23:22:48 -0600
Subject: [PATCH] [nostalgia/studio] Make UndoCommand::redo execute as soon as
 pushed

---
 src/nostalgia/studio/lib/undostack.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/nostalgia/studio/lib/undostack.cpp b/src/nostalgia/studio/lib/undostack.cpp
index cbe54356f..c8b4b322a 100644
--- a/src/nostalgia/studio/lib/undostack.cpp
+++ b/src/nostalgia/studio/lib/undostack.cpp
@@ -12,14 +12,19 @@ void UndoStack::push(UndoCommand *cmd) noexcept {
 	}
 	m_stack.emplace_back(cmd);
 	++m_stackIdx;
+	cmd->redo();
 }
 
 void UndoStack::redo() noexcept {
-	m_stack[m_stackIdx++]->redo();
+	if (m_stackIdx < m_stack.size()) {
+		m_stack[m_stackIdx++]->redo();
+	}
 }
 
 void UndoStack::undo() noexcept {
-	m_stack[m_stackIdx--]->undo();
+	if (m_stackIdx < ox::MaxValue<decltype(m_stackIdx)>) {
+		m_stack[m_stackIdx--]->undo();
+	}
 }
 
 }
\ No newline at end of file