RFC: move kdebase/runtime/kstyles to kdebase/workspace/kstyles/, small change in how default style is handled

[Olivier Goffart]

Le Tuesday 02 March 2010, Christoph Feck a écrit :
> On Monday 01 March 2010 23:24:56 Aaron J. Seigo wrote:
> > while looking into the issue of the svn extern in kdebase, it occurred to
> > me that having the oxygen widget style in runtime is perhaps a bit odd.
> 
> I agree, and would support moving it to kdebase/workspace.

+1 for me as well.

 
> > on non-KDE workspaces, KDE apps should try and use the native defaults.
[...]
> > while oxygen is referenced as the default style in kdelibs, the code
> > handles it not being there gracefully, but i'd like to suggest a change:
> > on x11 if we don't have our default style available to us then we try to
> > use the gtk+ style first (most likely next candidate) and then move on to
> > the "randomly select a style" approach. see the attached patch.

> I did not look at all the code paths fully, but from looking at
> qguiplatformplugin_kde.cpp, Qt makes sure it reads the "widgetStyle" config
> entry, falling back to KStyle::defaultStyle().
> 
> So what I would suggest is removing the style handling from KDE, and just
> use what Qt uses when it detects the KDE platform. This way KDE apps
> probably use GTK+ style when run from a GNOME session automatically. Not
> sure if that is the desired behavior.

Yes, I think this is the best way.  Since Qt 4.6 (which we require anyway) the 
Qt detection of the style should work fairly well. So that should allow KDE to 
get rid of this completely.