fix #278194 Fix crash opening play panel

No longer emitting event if value unchanged.
musescore · Nov 20, 2018 · ac5bcd5 · ac5bcd5
1 parent 6ba431b
commit ac5bcd5
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/awl/aslider.cpp b/awl/aslider.cpp
@@ -184,6 +184,8 @@ void AbstractSlider::mouseDoubleClickEvent(QMouseEvent* ev)
 
 void AbstractSlider::setValue(double val)
       {
+      double oldValue = _value;
+
       if (_log) {
             if (val == 0.0f)
                   _value = _minValue;
@@ -196,7 +198,9 @@ void AbstractSlider::setValue(double val)
       else
             _value = val;
 
-      emit valueChanged(val, __id);
+      if (oldValue != _value)
+            emit valueChanged(val, __id);
+
       update();
       }