bug#5766: 23.1.94; invisible pointer still highlights text

[Jan Djärv]

Stefan Monnier skrev:
> > > I like the new feature in 23.1.94 of having the mouse pointer turn
> > > invisible when you are typing.  However, if text is set to highlight
> > > when the pointer is over it, this still occurs when the invisible
> > > pointer is over something.  This can be disorienting if you switch
> > > contexts into a buffer that has this.  For example, if you're typing
> > > away and then switch to gnus, info, or any of the other many places
> > > where there is mouse-selectable text, some seemingly random text on the
> > > screen may be highlighted because the invisible cursor is over it.  If
> > > possible, it seems like any behavior triggered by the mouse pointer
> > > being over something should be disabled when the mouse pointer is
> > > invisible.
>
> > I will shortly fix this in the trunk.  Is this appropriate for 23.2 also
> > (Stefan or Yidong)?  Here's the patch:
>
> > +  if (f->pointer_invisible) return;
> > +
> >    if (NILP (Vmouse_highlight)
> >        || !f->glyphs_initialized_p)
> >      return;
>
> [ I didn't know about this feature.  ]

It was added in July, there was some discussion about it in emacs-devel.

> The `if' should be combined with the subsequent one, but other than that
> I think it's OK to install for Emacs-23.2.

Ok, checked in to the emacs-23 branch.

        Jan D.