Re: [clutter] grid with multiple actors

["Patrick Shirkey" <pshirkey boosthardware com>]

On Wed, November 14, 2012 9:53 pm, Lionel Landwerlin wrote:
> On 14/11/12 10:47, Patrick Shirkey wrote:
> > On Wed, November 14, 2012 9:16 pm, Lionel Landwerlin wrote:
> > > On 14/11/12 09:51, Patrick Shirkey wrote:
> > > > Hi,
> > > >
> > > > I have a grid similar to a spread sheet with multiple actors (approx
> > > > 1500)
> > > > which receiving button-press events.  12 rows x 130 columns
> > > >
> > > > When the grid is built it takes about 5 seconds to be displayed on
> > > > screen.
> > > >
> > > > The grid can be expanded upto 130,000 actors or approx 1000 rows x 130
> > > > columns so it would take approx 500 seconds to build and display in
> > > > that
> > > > case.
> > > >
> > > > Is there are more efficient method to build a clickable/editable grid
> > > > with
> > > > clutter?
> > > Don't use that many actors. It's a well known weakness of Clutter.
> >
> > So instead of having multiple actors as buttons what is the correct
> > method
> > for drawing multiple buttons in the case of a grid?
> >
> > Is there an example somewhere of a clutter grid layout?
>
> Am I wrong to think that your display is probably not big enough to
> display 130 columns?
> If that's the case, then you probably want to implement a container that
> reuses actors from
> a pool just deal with the number of visible items.

I am displaying the following layout

keyboard
78 x actors (clickable) - 22 x 100 px
68 x actors  (clickable) - 12 x 50 px

grid
13 x 131 actors (not clickable) - 1 px
12 x 130 actors (clickable) - 10 x 10 px

I can redo the grid so there are only 12x130 actors by combining the two
layers but I still need to have approx 1500 visible and clickable buttons
on screen at one time.






--
Patrick Shirkey
Boost Hardware Ltd