Re: [Jbeta] how to override methods in jzgrid

[Chris Burke]

bill lam wrote:

In particular I want to override pageup and pagedown key

In J601, I can define a verb in the parent form locale,
parent_g_char=: 3 : 0
  if. VK_PRIOR -:&, a.i.sysdata do. NB. pageup key
    prevpage ''
  elseif. VK_NEXT -:&, a.i.sysdata do. NB. pagedown key
    nextpage ''
  elseif. do.
    char__grid sysdata ; sysmodifiers
  end.
)

Any idea how to do this in J602?

Define a key event handler, see http://www.jsoftware.com/jwiki/Grid/Events .

For example:

grid_gridhandler=: 3 : 0
if. y -: 'key' do.
  select. a.i.{.Char__grid
  case. 16 do.
    smoutput 'page up'
  case. 17 do.
    smoutput 'page down'
  end.
end.
1
)


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