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From Jeremy Jongsma <jer...@barchart.com>
Subject Re: ScrollPane painting lag / ListView focus issues
Date Thu, 21 Apr 2011 16:23:30 GMT
This code should demonstrate the painting issue:

http://codetidy.com/595

Save and run it as a normal Pivot app.  ListView starts with the focus,
so just hold the down arrow on launch to see the painting artifacts.

-j

On Tue, 2011-04-19 at 21:12 -0500, Andrei Pozolotin wrote:
>         Jeremy:
>         
>         if possible, please publish small self-contained project 
>         on google-code or git-hub, so I can reproduce this;
>         
>         Thank you, 
>         
>         Andrei
> 
> -------- Original Message  --------
> Subject: ScrollPane painting lag / ListView focus issues
> From: Jeremy Jongsma <jeremy@barchart.com>
> To: user <user@pivot.apache.org>
> Date: Tue 19 Apr 2011 02:51:34 PM CDT
> > I'm running into a couple issues in my app, and am wondering if these
> > are bugs or if I am doing something incorrectly:
> > 
> > Screencast (18 secs): http://www.youtube.com/watch?v=t598VGgHIIk
> > 
> > 1) ListView doesn't seem to give up keyboard focus when a new Frame
> > opens (at 8 secs in the above screencast).  After the frame opens, arrow
> > keys still control the ListView.  It still does this after explicitly
> > clicking the new Frame.
> > 
> > 2) Painting seems laggy when using ScrollPane.  There are a lot of
> > visual artifacts when scrolling through the list view; at around 4
> > seconds in the screencast above, you can frequently see double-selected
> > rows.  More concerning is that at 11 seconds, it is actually shifting a
> > piece of the Frame above it (which is not even a descendant of the first
> > Frame) until the next repaint happens.
> > 
> > -j
> > 
> > 
> >   
> 



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