[Qt-creator] Editing widget rendering problems

[Eike Ziller]

On Jan 4, 2010, at 7:21 AM, ext Oleg Shalnev wrote:

> Hello all!

Hi,

> It's really strange that nobody can reproduce the problem I'd told about.

I see that you have collapsed the license comment at the top, we encountered drawing issues in this case (I think that has been fixed in Qt Creator master or in Qt 4.6).

++ Eike

> 2009/12/25 Oleg Shalnev <oleg.shalnev at gmail.com>
> http://www.youtube.com/watch?v=DRm21nZoJHw
> This is the video with error demonstration. If somebody needs more quality I'll resend.
> 
> 2009/12/25 Oleg Shalnev <oleg.shalnev at gmail.com>
> 
> Good day. And some words more about this problem.
> I bisected source from stable 1.3.0 and (I hope) can focus where the problem was manifested for the first time.
> git bisect good 
> Bisecting: 233 revisions left to test after this (roughly 8 steps)
> [ecb0df0cb5dd37c8d82c609ea5735479263c54f4] debugger: work on "watchers" for use with new dumpers
> Here editor is working good.
> 
> Next step 
> git bisect good                                               
> Bisecting: 116 revisions left to test after this (roughly 7 steps)                       
> [ad08f1971162e7120723108d9d38e15a374a7eef] Remove some unused code in the pro parsing / pro editing.
> 
> Has problems with editor on my linux system.
> I am sure that it's not the problem of X11 or other video buffer problems. The problem between ecb0df0cb5dd37c8d82c609ea5735479263c54f4
> ad08f1971162e7120723108d9d38e15a374a7eef
> 
> Also I have a screencast (19M) to show the problem. Can I send the screencast file here?
> 
> 
> 2009/12/22 Oleg Shalnev <oleg.shalnev at gmail.com>
> 
> 
> 
> 2009/12/22 Tamás Kiss <tkiss80 at gmail.com>
> 
> Do you use Compiz or any other 3D-based effects (such as KDE4 hardware
> No I don't use compiz and kde4 gui effects.
> I'll continue my investigations.
>  
> accelerated window effects)? Sometimes these have problems with
> locating and reporting the invalidated window areas to the X server.
> This does not mean that the contents in your windows or files are
> actually corrupted, only the X server doesn't know that those window
> areas need redrawing. If you let it know by scrolling or minimizing
> and maximizing the window in question, then the window is redrawn
> properly. This problem is not related to a specific application, I
> even see it with Firefox, gedit and OpenOffice sometimes.
> 
> --
> Kiss Tamás
> 
> 2009/12/21 Oleg Shalnev <oleg.shalnev at gmail.com>:
> >
> >
> > 2009/12/21 Alan Westbrook <voidref at gmail.com>
> >>
> >> It sounds like you have some video buffer corruption, try restarting your
> >> windowing system.
> >> I haven't used Linux in a while, but it used to be that you could just log
> >> out and log back in to do this.
> >
> > I have no video buffer corruption with QtCreator - 8f586ce.
> > That why  am am using  stable 1.3.0
> >
> >
> >> Is that still true?
> >> Alan
> >>
> >> On Sun, Dec 20, 2009 at 11:10 PM, Oleg Shalnev <oleg.shalnev at gmail.com>
> >> wrote:
> >>>
> >>> Good day.
> >>>
> >>> After delete couple of lines and moving cursor, editor widget display
> >>> some garbage instead of correct code.
> >>> I hope I am not one who can see it.
> >>>
> >>> Linux 2.6.31-gentoo-r6 #1 SMP
> >>> QtCreator - f229a76
> >>>
> >>> --
> >>> Oleg Shalnev         (Kalpa Project)
> >>> ----------------------------------------------
> >>> mailto: oleg at kalpa.ru
> >>> skype:  oleg_shalnev
> >>> jabber:  oleg.shalnev at gmail.com
> >>> http://kalpa.ru
> >>>
> >>> _______________________________________________
> >>> Qt-creator mailing list
> >>> Qt-creator at trolltech.com
> >>> http://lists.trolltech.com/mailman/listinfo/qt-creator
> >>>
> >>
> >>
> >> _______________________________________________
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> >>
> >
> >
> >
> > --
> > Oleg Shalnev         (Kalpa Project)
> > ----------------------------------------------
> > mailto: oleg at kalpa.ru
> > skype:  oleg_shalnev
> > jabber:  oleg.shalnev at gmail.com
> > http://kalpa.ru
> >
> > _______________________________________________
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> >
> >
> 
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> 
> 
> -- 
> Oleg Shalnev         (Kalpa Project) 
> ----------------------------------------------
> mailto: oleg at kalpa.ru                     
> skype:  oleg_shalnev
> jabber:  oleg.shalnev at gmail.com
> http://kalpa.ru
> 
> 
> 
> -- 
> Oleg Shalnev         (Kalpa Project) 
> ----------------------------------------------
> mailto: oleg at kalpa.ru                     
> skype:  oleg_shalnev
> jabber:  oleg.shalnev at gmail.com
> http://kalpa.ru
> 
> 
> 
> -- 
> Oleg Shalnev         (Kalpa Project) 
> ----------------------------------------------
> mailto: oleg at kalpa.ru                     
> skype:  oleg_shalnev
> jabber:  oleg.shalnev at gmail.com
> http://kalpa.ru
> 
> 
> 
> -- 
> Oleg Shalnev         (Kalpa Project) 
> ----------------------------------------------
> mailto: oleg at kalpa.ru                     
> skype:  oleg_shalnev
> jabber:  oleg.shalnev at gmail.com
> http://kalpa.ru
> <ATT00001..txt>

-- 
Eike Ziller
Software Engineer
Nokia, Qt Development Frameworks

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