[nostalgia/studio] Get Undo/Redo working

2022-02-16 20:16:49 -06:00
parent 72ce8ea4d9
commit c92ecdf499
5 changed files with 30 additions and 12 deletions
--- a/src/nostalgia/studio/lib/undostack.cpp
+++ b/src/nostalgia/studio/lib/undostack.cpp
@@ -22,8 +22,8 @@ void UndoStack::redo() noexcept {
 }

 void UndoStack::undo() noexcept {
-	if (m_stackIdx < ox::MaxValue<decltype(m_stackIdx)>) {
-		m_stack[m_stackIdx--]->undo();
+	if (m_stackIdx) {
+		m_stack[--m_stackIdx]->undo();
 	}
 }