Initial framework for scenario editor undo/redo

In addition to the framework, this enables undo/redo of one action - adding a new town
2017-02-12 18:27:01 -05:00
parent e38053d39f
commit 683ab805ec
14 changed files with 130 additions and 32 deletions
--- a/rsrc/menus/scenedit.xib
+++ b/rsrc/menus/scenedit.xib
@@ -327,6 +327,7 @@
 									<reference key="NSMixedImage" ref="909111550"/>
 								</object>
 							</array>
+							<bool key="NSNoAutoenable">YES</bool>
 						</object>
 					</object>
 					<object class="NSMenuItem" id="741259600">