[haiku-commits] Re: haiku: hrev44754 - in src: preferences/appearance kits/interface

  • From: pulkomandy <pulkomandy@xxxxxxxxxxxxx>
  • To: haiku-commits@xxxxxxxxxxxxx
  • Date: Mon, 5 Nov 2012 11:23:22 +0100

On Mon, Nov 05, 2012 at 11:17:08AM +0100, Siarzhuk Zharski wrote:
> It could be reverted some decades later after the theming support
> will be implemented completely. IMHO, abrupting contributors'
> initiative is not the best way to achieve more fresh blood for
> development. :-(

We have a policy in Haiku that says: "don't hide the bugs, fix them
instead".

The theming feature is almost there, all the drawing is done by the
BControlLook class, and it's only missing support for replacing this
class, likely through add-ons like for decorators. This opens a way for
endless tweaking of the UI themes, and then, maybe we'll get one that
looks better than the current one and we can replace it.

On the other hand, adding all kind of bell and whistles support to the
existing control look implementation, and support for it in the
Appearance preflet, actually makes it harder to do themes. If you have a
setting for scrollbar knobs in appearance, then you have to support it
in all themes. And the more options you add, the harder writig a theme
gets. Instead, we must make sure that the theme gets high-level
information like 'draw a scrollbar here'. It's up to the theme to decide
if the scrollbar should have knobs, buttons, or whatever. This can be
configured differently for each theme, so it shouldn't be in the
appearance preflet, or at least the appearance preflet should ask the
theme "please give me your settings view so I can add it to the
preflet".

We're not trying to abrupt initiatives, only give hints on how to get
things done right. We already spent some time talking about that onthe
rounded buttons (saying that should belong to a theme, etc.), and we get
exactly the same on these scrollbars now. That makes two reasons for
making that new Haiku theme, which I actually look forward to seeing. I
may even write my own themes if there's an API for that.

So, if UI bothers you, please work on the theme support first, THEN on
writing your own theme. not hacking the code around to just see how it
looks.

-- 
Adrien.

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