Re: Display engine bugs

[Jan D.]

> 
> 6. To repeat this bug you will need to start unclutter (unclutter is
> X application that removes the mouse cursor from the screen after a
> given timeout) with:
> 
> unclutter -root -idle 1&
> 
> Then create a new Emacs frame, but place the mouse cursor on the
> original Emacs frame with which Emacs was started.  When mouse cursor
> is removed from screen by unclutter, then Emacs selects the original
> frame, but input focus remains in the new frame (however, I can't tell
> exactly what actually happens).  Seems this is Emacs bug, because it
> can be repeated with different window managers which place input focus
> on window only after mouse click (i.e. don't change input focus
> immediately after moving mouse into another window).

Yes, it was an Emacs bug, the wrong frame was checked for current focus
state in the unusual combination of events that unclutter generates when
manipulating the cursor.  I've checked in a fix, please try it.

Thanks,

        Jan D.