[GUI] Allow origin plane/axis selection with entire label bounding box

src/Gui/ViewProviderLine.cpp

@@ -29,6 +29,7 @@
 # include <Inventor/nodes/SoCoordinate3.h>
 # include <Inventor/nodes/SoFont.h>
 # include <Inventor/nodes/SoIndexedLineSet.h>
+# include <Inventor/nodes/SoPickStyle.h>
 # include <Inventor/nodes/SoSeparator.h>
 # include <Inventor/nodes/SoTranslation.h>
 #endif
@@ -76,5 +77,9 @@ void ViewProviderLine::attach ( App::DocumentObject *obj ) {
     textTranslation->translation.setValue ( SbVec3f ( -size * 49. / 50., size / 30., 0 ) );
     sep->addChild ( textTranslation );
 
+    SoPickStyle *ps = new SoPickStyle();
+    ps->style.setValue(SoPickStyle::BOUNDING_BOX);
+    sep->addChild(ps);
+
     sep->addChild ( getLabel () );
 }