when drawing constraint icon handle the case when view provider of sketch is not in sync with geometry

2017-06-02 11:13:03 +02:00
parent d8e2f8c221
commit e73a16e7b4
1 changed files with 6 additions and 0 deletions
--- a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
+++ b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
@@ -2796,6 +2796,12 @@ void ViewProviderSketch::drawConstraintIcons()
            break;
        }

+        // Double-check that we can safely access the Inventor nodes
+        if (constrId >= edit->constrGroup->getNumChildren()) {
+            Base::Console().Warning("Can't update constraint icons because view is not in sync with sketch\n");
+            break;
+        }
+
        // Find the Constraint Icon SoImage Node
        SoSeparator *sep = static_cast<SoSeparator *>(edit->constrGroup->getChild(constrId));