Fix crash when empty

a65de46f · Don Gagne · d2832333 · a65de46f
Commit a65de46f authored May 16, 2018 by Don Gagne
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Showing with 6 additions and 4 deletions

FactValueSliderListModel.cc src/FactSystem/FactValueSliderListModel.cc +6 -4

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--- a/src/FactSystem/FactValueSliderListModel.cc
+++ b/src/FactSystem/FactValueSliderListModel.cc
@@ -38,10 +38,12 @@ FactValueSliderListModel::~FactValueSliderListModel()

 int FactValueSliderListModel::resetInitialValue(void)
 {
-    // Remove any old rows
-    beginRemoveRows(QModelIndex(), 0, _cValues - 1);
-    _cValues = 0;
-    endRemoveRows();
+    if (_cValues > 0) {
+        // Remove any old rows
+        beginRemoveRows(QModelIndex(), 0, _cValues - 1);
+        _cValues = 0;
+        endRemoveRows();
+    }

    _initialValue = _fact.cookedValue().toDouble();
    _initialValueRounded = qRound(_initialValue);