right-click, triangle selection problems solved.

Below issues are fixed.

1.Right-click has an issue while sidebar is in Auto/Show hide mode.

2.a.Choose View->Hide Side Bar, b.Select a file under Working Files,
c.Do auto hide/show,
d.Then again choose View->Show Side Bar. In this case you will not see
rectangle pointer. You have to again click on that file to see it.