Merge pull request #4955 from MarcSabatella/barline-crash

fix #288190: crash on drag&drop barline
musescore · Apr 26, 2019 · 70504a8 · 70504a8
2 parents 3b29956 + 3db43d9
commit 70504a8
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/libmscore/barline.cpp b/libmscore/barline.cpp
@@ -307,7 +307,11 @@ BarLine::~BarLine()
 QPointF BarLine::canvasPos() const
       {
       QPointF pos = Element::canvasPos();
-      pos.ry() += measure()->system()->staff(staffIdx())->y();
+      if (parent()) {
+            System* system = measure()->system();
+            qreal yoff = system ? system->staff(staffIdx())->y() : 0.0;
+            pos.ry() += yoff;
+            }
       return pos;
       }