[TD] Prevent crash when snapping leader line

2022-01-27 18:19:09 +01:00
parent 8419d53392
commit 420d54340a
1 changed files with 3 additions and 0 deletions
--- a/src/Mod/TechDraw/Gui/QGTracker.cpp
+++ b/src/Mod/TechDraw/Gui/QGTracker.cpp
@@ -199,6 +199,9 @@ void QGTracker::sleep(bool b)

 QPointF QGTracker::snapToAngle(QPointF dumbPt)
 {
+    // If no point selected yet, snapping has no sense
+    if (m_points.size() < 1) return dumbPt;
+
    QPointF result(dumbPt);
    double angleIncr = M_PI / 8.0;   //15*
    //mirror last clicked point and event point to get sensible coords