[Qt-creator] Qt Creator response too slow

[Eike Ziller]

Hm, thanks for trying out.
Could you elaborate a bit on your platform?
Are you using Linux? Which distribution? OS Language?
Thanks, Eike

On May 7, 2009, at 11:06 AM, ext Boy Lenssen wrote:

> Hi Eike,
>
> I compiled it with 4.5.0, but still same slowness.
>
> I check the speed this way:
>
> I open a project, open 2 files and switch quickly between them using  
> ctrl-tab. With version 2009.01, doing this I swiftly see the list of  
> open files clearly (which is shown when the ctrl button is kept down  
> when pressed tab), summing up the two files. With 2009.02, I see a  
> bit border that the widget is being painted, but as I don't keep the  
> ctrl down (I release ctrl-tab instantly), it looks like it doesn't  
> have time enough to paint it completely.
>
> Also, I opened the Qt Creator about info. In 2009.01, when I press  
> 'close', it closes instantly...2009.02 it is a bit slower with  
> disappearing.
>
>
>
> -----Original Message-----
> From: Eike Ziller [mailto:eike.ziller at nokia.com]
> Sent: woensdag 6 mei 2009 17:06
> To: qt-creator at trolltech.com
> Subject: Re: [Qt-creator] Qt Creator response too slow
>
> Hi,
> could anyone who experiences that problem fetch the creator sources,
> and a Qt 4.5.0 (note the 0 at the end, not 4.5.1), and compile creator
> with that qt version and try if the problem still persists?
> I know it's much to ask for, but it would be tremendously helpful to
> know if that is a problem introduced in Qt or in QtCreator :) You can
> grab one of us on irc.freenode.net #qt-creator for help.
>
> Regards, Eike
>
> On May 6, 2009, at 9:36 AM, ext Boy Lenssen wrote:
>
>> btw: I think your right on the font / language problem, because when
>> I have no files opened in Qt Creator, alt-tab works fast...when a  
>> file
>> is opened, it lags a bit...
>>
>> From: Ladnar, Marc [mailto:Marc.Ladnar at ksab.kroschu.com]
>> Sent: woensdag 6 mei 2009 8:45
>> To: qt-creator
>> Subject: Re: [Qt-creator] Qt Creator response too slow
>>
>> We has similar problems here with Qt.
>> We managed to find out that this had to do with the system language,
>> the encoding of the files (and Creator's editor) and the fontserver.
>> Especially when you use special chars like the ä or ö in german, qt
>> mostly tries to find the right font to display it and that takes a
>> lot of time.
>> We solved this problem by switching the system language to our
>> correct format, in our case de_DE at euro.
>>
>> Maybe you have similar settings.
>>
>> Have a nice day,
>>
>> Marc Ladnar
>>
>>   Von: Boy Lenssen [mailto:Boy.Lenssen at esaote.nl]
>> Gesendet: Mittwoch, 6. Mai 2009 08:40
>> An: qt-creator at trolltech.com
>> Betreff: Re: [Qt-creator] Qt Creator response too slow
>> I checked with a colleague, but he doesn't seem to have this
>> problem. So it probably has something to do with my system...
>>
>>
>> From: Boy Lenssen [mailto:Boy.Lenssen at esaote.nl]
>> Sent: Tuesday, May 05, 2009 2:22 PM
>> To: qt-creator at trolltech.com
>> Subject: [Qt-creator] Qt Creator response too slow
>>
>> Hi,
>>
>> I'm using Qt Creator as my default working environment. I saw you
>> were busy with implementing nmake debugging possibilities, so when
>> that works, it is the only environment I need.
>>
>> So I tried to run it (think you use cdb, so put it in the path),
>> first tried 2009.02 version, but didn't work. Downloaded latest
>> snapshot (04/05/2009), but didn't work either. Next I kept on
>> working in the 2009.02 version, but I noticed it is very slow in
>> response. It takes about half a second before it responds when I
>> switch to it from another application (alt-tab). Also switching
>> files (ctrl-tab) takes about half a second...the may 4th version
>> seems to be somewhat faster, but still to slow too not to be  
>> annoying.
>>
>> I went back too 2009.01, which works fast, but I miss some new
>> features the new one has.
>>
>> Too be short: is this a known problem and will it be fast again in
>> the next released version?
>>
>> Regards,
>> Boy
>> <ATT00001.txt>
>
> -- 
> Eike Ziller
> Software Engineer
> Nokia, Qt Software
> Phone  +49 (0)30 6392 3255
> Fax    +49 (0)30 6392 3256
> E-mail eike.ziller at nokia.com
>
>
>
>
>
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-- 
Eike Ziller
Software Engineer
Nokia, Qt Software
Phone  +49 (0)30 6392 3255
Fax    +49 (0)30 6392 3256
E-mail eike.ziller at nokia.com