On Jan 4, 2012, at 8:46 AM, James Sutherland wrote: > On Tue, Jan 3, 2012 at 5:08 PM, Jerry <lancebo...@qwest.net> wrote: > > On Jan 3, 2012, at 4:51 PM, Steve Litt wrote: > > > On Monday, January 02, 2012 10:12:47 PM Jerry wrote: > >> I'm evaluating LyX for a major project and am mightily impressed. > >> > >> However, there is one problem that stands out: Scrolling the main > >> LyX window is excruciatingly slow. I'm using LyX 2.0.2 and OS X > >> 10.6.8. It doesn't seem to matter how I scroll--two-finger swipe > >> on MacBook Pro trackpad or using the thumb bar or clicking on the > >> normal scrolling arrows. When scrolling rather fast or using the > >> two-finger "ballistic scrolling", there are large jumps between > >> screen updates; sometimes the jump is more than an entire > >> screenful so there is little hope of reliably spotting things as > >> they go by. While scrolling, processor usage goes to 100% > >> > > Hmmm. I suspect that the problem is worse on my machine because even > scrolling small amounts (a few lines or a couple of pages) is so laggy/jumpy > that it is easily noticeable/annoying--hard to track features as they go by. > > Scrolling large distances in a short time pretty much takes place as fast as > scrolling a native application; it's just that to get the job done in roughly > the same amount of time, there are huge jumps. > > In an earlier post in this thread I noted that 2.0.1 was much better in this > regard (I just tried 2.0.1 a couple hours ago), so at least in part, this is > looks like a recent development. > > Jerry > > > FWIW, I have been noticing this issue on my Mac as well with LyX 2.0.2 > (binary installation) and Mac OSX 10.7.2. It has occurred for me with small > documents as well as large ones. Mouse-scrolling lags substantially. > > I just tried it on another Mac system running OSX 10.6.8 and LyX 2.0.0. No > problems there. I then updated to LyX 2.0.2 on 10.6.8 and there were no > problems with that either. > > So it appears that this issue is unique to LyX on OSX 10.7.x?
No—I'm on OS X 10.6.8. Jerry > > James >
