From d49cde5d0b948f24aa7b3bd9ad9b3b63333f2281 Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Sat, 12 Jan 2019 15:01:41 +0100
Subject: reverse edge direction

---
 src/data/edge.cpp | 12 ++++++++++++
 src/data/edge.h   |  2 ++
 2 files changed, 14 insertions(+)

(limited to 'src/data')

diff --git a/src/data/edge.cpp b/src/data/edge.cpp
index fcd9959..4803547 100644
--- a/src/data/edge.cpp
+++ b/src/data/edge.cpp
@@ -365,6 +365,18 @@ void Edge::setWeight(qreal weight)
     _weight = weight;
 }
 
+void Edge::reverse()
+{
+    Node *n = _source;
+    _source = _target;
+    _target = n;
+    int a = _inAngle;
+    _inAngle = _outAngle;
+    _outAngle = a;
+    _bend = -_bend;
+    updateData();
+}
+
 int Edge::tikzLine() const
 {
     return _tikzLine;
diff --git a/src/data/edge.h b/src/data/edge.h
index 909824b..954145f 100644
--- a/src/data/edge.h
+++ b/src/data/edge.h
@@ -81,6 +81,8 @@ public:
     void setOutAngle(int outAngle);
     void setWeight(qreal weight);
 
+    void reverse();
+
     int tikzLine() const;
     void setTikzLine(int tikzLine);
 
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