src/boxsidehub.cpp: unknot multiple arrows between same tables

1 files changed, 8 insertions, 3 deletions

diff --git a/src/boxsidehub.cpp b/src/boxsidehub.cpp
index 4dfb460..b4cbf0d 100644
--- a/src/boxsidehub.cpp
+++ b/src/boxsidehub.cpp
@@ -51,10 +51,15 @@ static bool
 itemLessThan(const ConnectorRealPair &a, const ConnectorRealPair &b)
 {
 	int r = cmpAngle(a.second, b.second);
-	if (r == 0) {
+	if (r != 0)
+		return r < 0;
+	r = a.first->isStart() - b.first->isStart();
+	if (r != 0)
+		return r > 0;
+	if (a.first->isStart())
 		return a.first->owner() < b.first->owner();
-	}
-	return r < 0;
+	else
+		return a.first->owner() > b.first->owner();
 }
 
 //              |