[Qt-creator] Qt Creator response too slow
Boy Lenssen
Boy.Lenssen at esaote.nl
Thu May 7 11:06:54 CEST 2009
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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