There's no proper replacement for KIcon

[Mark Gaiser]

On Wed, Sep 3, 2014 at 7:16 PM, Albert Astals Cid <aacid at kde.org> wrote:
> Porting guide lies in saying that KIcon should be replaced with
> QIcon::fromTheme since KIcon defauted to oxygen icon theme and obviously
> QIcon::fromTheme doesn't do that.
>
> Please someone provide a solution for this problem or undeprecate KIcon. This
> is blocking the porting of my applications.

I've seen that issue before.
The thing that fixed it for me was setting the environment variable:
export KDE_FULL_SESSION=true

I hope it still works :)