Re: Scroll bars on macOS builds

[Angelo Graziosi]

> Il 30/01/2022 13:37 Alan Third ha scritto:
> 
>  
> On Sat, Jan 29, 2022 at 04:43:23PM +0100, Angelo Graziosi wrote:
> > In any case, the patch below breaks tabbar package from MELPA: I cannot 
> > switch buffer clicking on the left-right arrows the package uses to this 
> > end. The mouse pointer changes correctly from "arrow" shape to "hand" shape 
> > when over those arrows but clicking does not have any effect, the tabs with 
> > buffers name should scroll. I DOES NOT scroll.. 
> > 
> > I attached the screenshot of that element of the tabbar package from 
> > MELPA...
> > 
> > 
> > > Il 27/01/2022 23:10 Angelo Graziosi  ha scritto:
> > > 
> > > I have built current master with patch (do you mean it?) below and it 
> > > works, i.e. scrollbars are visible!
> > > 
> > > --- nsterm.m.orig 2022-01-27 22:26:12.000000000 +0100
> > > +++ nsterm.m      2022-01-27 22:44:59.000000000 +0100
> > > @@ -7195,7 +7195,7 @@
> > >       on resize.  Unfortunately it also means the frame will not be
> > >       automatically marked for display, but we can do that ourselves in
> > >       resizeWithOldSuperviewSize.  */
> > > -  [self setWantsLayer:YES];
> > > +  [self setWantsLayer:NO];
> > >    [self setLayerContentsRedrawPolicy:
> > >            NSViewLayerContentsRedrawOnSetNeedsDisplay];
> > >    [self setLayerContentsPlacement:NSViewLayerContentsPlacementTopLeft];
> > > @@ -7899,7 +7899,6 @@
> > >    else
> > >      {
> > >        [super unlockFocus];
> > > -      [super flushWindow];
> > >      }
> > >  #endif
> > >  }
> 
> I can't see any way that patch could affect the ability to click on
> something. I could understand it perhaps breaking some visual feedback
> or something, but the actual click detection has nothing to do with
> how the frame is drawn at all.

With Emacs native tabs the patch works better...