| From: | Jay Cornwall |
| Date: | 29 Jul 2001 at 14:33:06 |
| Subject: | Re: Slight Slowdown when using VisualPrefs and Birdie.. |
Hi Sam
> Does anyone else suffer the same 'refresh problem' that I'm getting when
> running VisualPrefs and Birdie?
>
> What I mean is that when you open a new window (DOpus filelister for
> example), it opens deselected, then redraws it selected (split second).
> Thing is though, in the time that it is refreshing the window to the
> active state it 'locks' the pointer from movement while it does it, thus
> making the system feel unresponsive :-/ (Also get the same if you select a
> previously inactive window for the first time)
This is probably a consequence of bad design. When the window refresh
occurs, VisualPrefs (or Birdie, I don't know) carries out the refresh on
input.device's task (probably as a consequence of Opus requesting the
refresh from within input.device). Until the refresh is complete, input.device
cannot process any further input, hence the system appears to "lock".
> Anyway, anyone have any ideas on how to stop the slight pause?
I'd guess it's an inherent problem of the window refresh system's design.
Either Opus or VisualPrefs (or Birdie) would need to be coded to offload the
refresh onto a separate task.
Regards
Jay
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