Disable drag from inner window

[Nikos Chantziaras]

On 24/06/2017 11:24 πμ, René J. V. Bertin wrote:
> Nikos Chantziaras wrote:
> 
>> System Settings -> Appearance -> Application Style -> Widget Style ->
>> Configure
> 
> That's for KDE4/Plasma4; with Plasma5 the "Application Style" group sits in the
> systemsettings toplevel.

I'm on plasma 5.10.2. It's exactly where I described. "Application 
Style" is in the "Appearance" group.

System Settings has 5 groups here. Appearance, Workspace, 
Personalization, Network, and Hardware.