scripting: use undo when changing visible property

Author: heuchi

libmscore/element.cpp

@@ -1620,6 +1620,15 @@ void Element::undoSetColor(const QColor& c)
       score()->undoChangeProperty(this, P_ID::COLOR, c);
       }
 
+//---------------------------------------------------------
+//   undoSetVisible
+//---------------------------------------------------------
+
+void Element::undoSetVisible(bool v)
+      {
+      score()->undoChangeProperty(this, P_ID::VISIBLE, v);
+      }
+
 //---------------------------------------------------------
 //   bbox() function for scripts
 //

libmscore/element.h

@@ -175,7 +175,7 @@ class Element : public QObject, public ScoreElement {
       Q_PROPERTY(int                      track       READ track        WRITE setTrack)
       Q_PROPERTY(Ms::Element::Type        type        READ type)
       Q_PROPERTY(QPointF                  userOff     READ scriptUserOff WRITE scriptSetUserOff)
-      Q_PROPERTY(bool                     visible     READ visible      WRITE setVisible)
+      Q_PROPERTY(bool                     visible     READ visible      WRITE undoSetVisible)
 
       Element* _parent { 0 };
 
@@ -465,6 +465,7 @@ class Element : public QObject, public ScoreElement {
       QColor curColor(const Element* proxy) const;
       virtual void setColor(const QColor& c)     { _color = c;    }
       void undoSetColor(const QColor& c);
+      void undoSetVisible(bool v);
 
       static Element::Type readType(XmlReader& node, QPointF*, Fraction*);