speeded up the arranger's part canvas

1 files changed, 7 insertions, 0 deletions

diff --git a/muse2/muse/undo.cpp b/muse2/muse/undo.cpp
index c57bb5c1..c5b211b2 100644
--- a/muse2/muse/undo.cpp
+++ b/muse2/muse/undo.cpp
@@ -480,6 +480,7 @@ void Song::doUndo2()
                         break;
                   case UndoOp::ModifyClip:
                   case UndoOp::ModifyMarker:
+                  case UndoOp::DoNothing:
                         break;
                   }
             }
@@ -716,6 +717,7 @@ void Song::doRedo2()
                         break;
                   case UndoOp::ModifyClip:
                   case UndoOp::ModifyMarker:
+                  case UndoOp::DoNothing:
                         break;
                   }
             }
@@ -725,6 +727,11 @@ UndoOp::UndoOp()
 {
 }
 
+UndoOp::UndoOp(UndoType type_)
+{
+	type = type_;
+}
+
 UndoOp::UndoOp(UndoType type_, int a_, int b_, int c_)
       {
       type = type_;