[PATCH] Animations enable/disable system wide

Robert Knight robertknight at gmail.com
Fri Feb 15 19:52:20 GMT 2008


> with the simplest and least costly at the
> top and the most expensive at the bottom

Sorry, wrong way round.  I meant simplest at the bottom and most
sophisticated (computationally intensive) at the top.


On 15/02/2008, Robert Knight <robertknight at gmail.com> wrote:
> Hi,
>  Several comments:
>  1)  This is implemented as a binary yes/no option.  Will that be
>  flexible enough?  Animations in a small area can be typically done
>  even on fairly slow machines.  Animations over a large area (eg. those
>  done by KWin) really need hardware acceleration to work properly.
>  2)  I don't think the meaning of the checkbox text and tooltips is clear.
>  The checkbox text in the patch is "Enable builtin animations".  My
>  immediate questions as a user are:
>  - What is a "builtin" (should be 'built in') animation?  The "what's
>  this" text ("If you enable this option, KDE Applications will run
>  internal animations") is even less clear.
>  - How does this relate to the options on the Effects tab?  Can these
>  options be unified?
>  The reason for this option to exist is to improve performance on
>  machines with slower graphics.  The benefits from disabling this
>  option are not made clear from the UI in the patch.  In fact, I'd go
>  as far as to question whether the style module is the right place to
>  have this option at all.
>  An alternative approach might be to have a slider with a number of
>  levels for the performance - with the simplest and least costly at the
>  top and the most expensive at the bottom.  This approach was used in
>  the first-run wizard for KDE 3 which asked how much "eye candy" users
>  wanted.  For example, from simplest to most prettiest:
>  - Minimal use of complex static 2D (eg. gradients), no animations
>  - Use of complex static 2D (eg. gradients), no animations
>  - As above, but with simple animations (ie. Qt's animations)
>  - As above, but with more sophisticated 2D animations (eg. which is
>  what your patch allows)
>  - As above, but with animations requiring hardware acceleration
>  Regards,
> Robert.
>  On 15/02/2008, Rafael Fernández López <ereslibre at kde.org> wrote:
>  > Hi all,
>  >
>  >  Attached are the patches to kdelibs and kdebase.
>  >
>  >  OK to commit ?
>  >
>  >
>  >  Bye,
>  >
>  > Rafael Fernández López.
>  >
>  >

More information about the kde-core-devel mailing list