(Minor Annoyance) Inefficient window repainting

[Ralf Nolden]

On Sunday, 19. August 2001 06:14, you wrote:


Hi Adam,

I noticed this as well, and it seems that it appears with maximised child 
windows. The flickering comes from the routine that inserts the buttons into 
the menubar for minimize, maximize/restore and close for the childwindows, 
and I told Falk about it. Now I think he probably didn't see it because he's 
using a big monitor and larger fonts which makes a resizing of the menubar 
unnecessary. Falk, any idea how to optimize that ?

Ralf
> Hi,
>
> When reloading the last workspace, KDevelop appears to attempt to repaint
> every window that is loaded and also appears to be redrawing the top level
> frame window each time as well. This results in very slow and flickery
> performance. This also happens when you have a number of windows open and
> choose 'close all'.
>
> I noticed this when I was forced to disable X accelerations due to a bug
> with my video driver. I imagine that most people might not observe this.
>
> To reproduce this behaviour I suggest you add the following line to the
> 'Drivers' section of /etc/X11/XF86Config-4 (or your system equivalent):
> Option "no_accel"
>
> Open a dozen or so window and then choose close-all. You should then be
> able to detect the behaviour.
>
> regards,
>
> Adam
>
>
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Ralf Nolden
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