The format of sysdata depends on the class involved. Described here
http://code.jsoftware.com/wiki/Guides/Window_Driver/ChildClasses a number
of ChildClasses


On Thu, Jan 11, 2018 at 5:02 PM, Dabrowski, Andrew John <
[email protected]> wrote:

> Got it.
>
> EigenPicture is cool.  Does it get the xy-coordinates of the mouse from
> sysdata?  Where is sysdata documented?
>
>
> epd_g_mmove=: 3 : 0
>
> 'x y w h'=. 4 {. 0 ". sysdata
>
> y=. h - y
>
> rim=. unitvec (x,y) - -: w,h
>
> end=. rim + MATRIX mp rim
>
> j=. (MX,MY) + rim * X1,Y1
>
> pts=. flipypos 2 4$(MX,MY), j, j, (MX,MY) + end * X1,Y1
>
> glsel 'g'
>
> glclear''
>
> drawframe ''
>
> glpen 2 1
>
> drawpin LASTPTS
>
> setcolor EIGENCOLOR
>
> glpen 2 1
>
> drawpin pts
>
> drawpic''
>
> glpaint ''
>
> LASTPTS=: pts
>
> )
>
>
>
> On 01/10/2018 02:23 PM, Raul Miller wrote:
> > I have installed all addons, and I am going to presume you have also.
> >
> > When I go to the jqt Help menu, I can select Studio > Showcase... and
> > this offers the demos:
> >
> > cities
> > coins
> > deoptim
> > eigenpictures
> > events
> > isigraph
> > isigrid
> > life
> > minesweeper
> > plot
> > solitaire
> > unicode simple
> >
> > And, then, each of these demos has its own menu with further depth.
> >
> > Some quick searching shows that the underlying implementation for this
> > demos node in the jqt ui is addons/demos/wd/demos.ijs
> >
> > If you do not see that, where does what you see differ?
> >
> > Thanks,
> >
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