fix: don't call sourceData with an invalid role

This is related to bug #46
2018-03-22 23:36:59 +01:00 · 2018-03-22 23:36:59 +01:00 · 9c3e57c02e
parent 6ff055d47d
commit 9c3e57c02e
1 changed files with 4 additions and 0 deletions
--- a/sorter.cpp
+++ b/sorter.cpp
@ -154,6 +154,10 @@ QPair<QVariant, QVariant> RoleSorter::sourceData(const QModelIndex &sourceLeft,
 {
    QPair<QVariant, QVariant> pair;
    int role = proxyModel.roleForName(m_roleName);
+
+    if (role == -1)
+        return pair;
+
    pair.first = proxyModel.sourceData(sourceLeft, role);
    pair.second = proxyModel.sourceData(sourceRight, role);
    return pair;