[Qt] Lazarus running slow on KDE 4.6.2

[Steven Feinstein]

I am (according to Synaptic) using:
x11-driver-video-radeonhd  the X.org driver for AMD / ATI r5xx/r6xx chipsets
(Radeon X1xxx and HD 2xxx cards)

I commented the line and rebuilt.  No change in how it ran.

Thanks,
Steve

--- On Sat, 4/9/11, zeljko <zeljko at holobit.net> wrote:

> From: zeljko <zeljko at holobit.net>
> Subject: Re: [Qt] Lazarus running slow on KDE 4.6.2
> To: "Items specific to the Qt widget set" <qt at lists.lazarus.freepascal.org>
> Date: Saturday, April 9, 2011, 1:40 PM
> On Saturday 09 of April 2011 16:17:46
> Steven Feinstein wrote:
> > I have an ATI Radeon.  Running with Windows style
> is better than plastique
> > and oxygen, but very ugly.  Plastique is usable
> at least.  But strange
> > behavior.  Apps I build using QT do not seem to
> have any X problems when
> > they run.  They never exceed 15% in top. 
> It's just Lazarus itself.
> 
> What driver do you use ? fglrx or radeon ?
> Try this and give feedback please (just comment
> UpdateMouseHint in 
> Application.Idle):
> Index: lcl/include/application.inc
> ===================================================================
> --- lcl/include/application.inc    (revision
> 28265)
> +++ lcl/include/application.inc    (working
> copy)
> @@ -365,7 +365,7 @@
>  begin
>    ReleaseComponents;
>    ProcessAsyncCallQueue;
> -  UpdateMouseHint(GetControlAtMouse);
> +  // UpdateMouseHint(GetControlAtMouse);
>  
>    Done := True;
>    if (FIdleLockCount=0) then begin
> 
> 
> zeljko
> 
> 
> 
> 
> 
> > 
> > --- On Sat, 4/9/11, zeljko <zeljko at holobit.net>
> wrote:
> > > From: zeljko <zeljko at holobit.net>
> > > Subject: Re: [Qt] Lazarus running slow on KDE
> 4.6.2
> > > To: "Items specific to the Qt widget set"
> > > <qt at lists.lazarus.freepascal.org>
> Date: Saturday, April 9, 2011, 2:54 AM
> > > On Saturday 09 of April 2011 03:25:14
> > > 
> > > Steven Feinstein wrote:
> > > > I use PCLinuxOS.  Up to date with:
> > > > QT: 4.7.2
> > > > KDE: 4.6.2
> > > > 
> > > > I run Lazarus from the latest SVN
> build.  In my
> > > 
> > > case it is 30245.
> > > 
> > > > Just recently (builds for the last few
> weeks), I've
> > > 
> > > run into a problem.
> > > 
> > > > Lazarus runs extremely slowly if I build
> using
> > > 
> > > OPT="-dQT_NATIVE_DIALOGS"
> > > 
> > > > LCL_PLATFORM=qt.  Using top, X jumps to
> 70-90%
> > > 
> > > whenever I try to do
> > > 
> > > > something in the IDE related to the
> UI.  If I do
> > > 
> > > not use components (say a
> > > 
> > > > console application) the IDE runs fine.
> > > > 
> > > > I recompiled using GTK and the IDE runs fine
> as
> > > 
> > > well.  I played around with
> > > 
> > > > desktop Styles.  If I use the Oxygen
> theme (which
> > > 
> > > I do), it is terrible.
> > > 
> > > > X jumps to 70-90%.  Which makes
> Lazarus
> > > 
> > > unusable.  If I change to
> > > 
> > > > Plastique, X jumps only to 40-50%. 
> Which makes
> > > 
> > > Lazarus mostly usable but
> > > 
> > > > slow.
> > > > 
> > > > GTK, X jumps 10-15% at most.
> > > > 
> > > > I posted on the Lazarus forum and no one
> else seemed
> > > 
> > > to have this issue.
> > > 
> > > > They suggested posting here.
> > > > 
> > > > Hopefully someone will have an idea of what
> setting
> > > 
> > > might be messing me up.
> > > 
> > > I have no idea why it is so ... it runs fine
> here,
> > > qt-4.7.2, KDE-4.6.2 (Fedora
> > > 14 32 bit)+ remote X lazarus with qt-4.6.3 on
> KDE-3.5
> > > (Fedora 3) runs fine
> > > also. Oxygen can slow down things, but it's weird
> that
> > > plastique is doing the
> > > same.
> > > You can try to start lazarus from console with
> windows
> > > style and see if it's
> > > better, eg.
> > > cd /to/your/lazarus/dir
> > > ./lazarus -style windows
> > > 
> > > What's your graphic card and driver ? Qt have
> problems with
> > > nvidia cards
> > > sometimes, but also I've seen problems with intel
> cards in
> > > combination with
> > > old intel drivers. If it's so, try vesa graphic
> driver and
> > > see if it's still
> > > slow.
> > > 
> > > zeljko
> > > 
> > > _______________________________________________
> > > Qt mailing list
> > > Qt at lists.lazarus.freepascal.org
> > > http://lists.lazarus.freepascal.org/mailman/listinfo/qt
> > 
> > _______________________________________________
> > Qt mailing list
> > Qt at lists.lazarus.freepascal.org
> > http://lists.lazarus.freepascal.org/mailman/listinfo/qt
> 
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