diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/tikzscene.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/tikzscene.cpp b/src/gui/tikzscene.cpp index b2c5fd7..119d0d1 100644 --- a/src/gui/tikzscene.cpp +++ b/src/gui/tikzscene.cpp @@ -556,7 +556,8 @@ void TikzScene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) } break; case ToolPalette::EDGE: - if (_edgeStartNodeItem != 0 && _edgeEndNodeItem != 0) { + // add an edge. Currently, self-loops are not supported (since they aren't drawn properly) + if (_edgeStartNodeItem != 0 && _edgeEndNodeItem != 0 && _edgeStartNodeItem != _edgeEndNodeItem) { Edge *e = new Edge(_edgeStartNodeItem->node(), _edgeEndNodeItem->node(), _tikzDocument); e->setStyleName(_styles->activeEdgeStyleName()); AddEdgeCommand *cmd = new AddEdgeCommand(this, e); |