D18228: Add windowsystem plugin for KWin's qpa

zzag added inline comments.

INLINE COMMENTS

> test_window_paint_data.cpp:62
>      void unreferencePreviousWindowPixmap() override {}
> +    QWindow * internalWindow() const override { return nullptr; }
>      bool isDeleted() const override {

style

> blur.cpp:335-336
> +        if (pe->propertyName() == "kwin_blur") {
> +            const auto windows = effects->stackingOrder();
> +            auto it = std::find_if(windows.begin(), windows.end(), [internal] (EffectWindow *w) { return w->internalWindow() == internal; });
> +            if (it != windows.end()) {

Would it be feasible to add EffectWindow *findInternalWindow(QWindow *window) to EffectsHandler?

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D18228

To: graesslin, #kwin
Cc: zzag, kwin, jraleigh, GB_2, mkulinski, ragreen, jackyalcine, Pitel, iodelay, bwowk, ZrenBot, ngraham, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart