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-rw-r--r--src/gui/itemviews/qitemdelegate.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gui/itemviews/qitemdelegate.cpp b/src/gui/itemviews/qitemdelegate.cpp
index 962ce54..bd6dc62 100644
--- a/src/gui/itemviews/qitemdelegate.cpp
+++ b/src/gui/itemviews/qitemdelegate.cpp
@@ -1296,8 +1296,14 @@ bool QItemDelegate::editorEvent(QEvent *event,
return false;
}
- Qt::CheckState state = (static_cast<Qt::CheckState>(value.toInt()) == Qt::Checked
+ Qt::CheckState state;
+ if ( flags & Qt::ItemIsTristate ) {
+ state = static_cast<Qt::CheckState>( (value.toInt() + 1) % 3 );
+ } else {
+ state = (static_cast<Qt::CheckState>(value.toInt()) == Qt::Checked
? Qt::Unchecked : Qt::Checked);
+ }
+
return model->setData(index, state, Qt::CheckStateRole);
}