RFC: New KWin effect for notifications

[Martin Graesslin]

On Thursday, November 26, 2015 12:56:21 PM CET Martin Klapetek wrote:
> On Thu, Nov 26, 2015 at 12:43 PM, Marco Martin <notmart at gmail.com> wrote:
> > On Thursday 26 November 2015, Martin Klapetek wrote:
> > > I've considered the slide effect but it has number of short-
> > > comings for the notifications usecase and would have to
> > > be modified heavily to replicate the current effect.
> > 
> > what are specifically the shortcomings?
> 
> * setting an offset makes it appear out of nowhere;
>   that itself would be moreless fine, but the disappearing
>   animation makes it look really strange, it basically just
>   shrinks in height in place. This works fine when things
>   looks attached to the panel, then it looks like it slides
>   back to the panel, but with a detached popup it just
>   doesn't look good

This should be achievable by just unsetting the slide effect after the window 
is shown (or before it gets closed). Then it's not animated by the slide 
effect.

> 
> * the offset seems to be from screen edge rather than
>   from a strut edge

If you need that: just add the struts to the offset. Easy enough.

> 
> * the popups are appearing in vertical stack and if one
>   of the bottom popups closes, the others are animated
>   to slide down; that's not entirely possible with slideWindow

That's the one aspect which isn't achievable with the current approach and 
that's the thing I think should be morphed into an effect. The appearing is 
completely different thing.

Cheers
Martin
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