dlg[1][1]:action() is really a surprising way to access the button. I
understood. I can do something like:
function main(title)
local controls = {}
button1 = iup.button{title = 'Enviar'}
table.insert(controls, button1)
return iup.dialog{..., title = title, controls = controls}
end
And in another part of the code:
function dlg.controls.button1:action()
Yes, I prefer it. I really don't like action = function () return ...
I could also take advantage on the fact I have in an attribute all the
dialog controls.
Thank you!
2012/6/5, Antonio Scuri <[email protected]>:
>> If I use button1:action, it was necessary to place it inside main whereas
>> I want
>> to place it outside.
>> How to link button1 to the button1_action(?
>
> You can retrieve the button1 handle after calling "main". For instance:
>
> local button1 = dlg[1][1]
>
> Or you can save the button as a custom dialog attribute inside "main" then
> retrieve it outside. For instance:
>
> return iup.dialog{vbox; title = title, button1 = button1}
>
> Then
>
> local button1 = dlg.button1
>
>
>> button1 = iup.button{title = 'Botão 1'}
>> iup.SetAttribute(button1, 'ACTION', 'button1_action') vbox =
>> iup.vbox{button1}
>> return iup.dialog{vbox; title = title} end Actually, I want to use
>> iup.SetAttribute
>> to link events. I could place my callback without closures and without
>> action =
>> function()..
>> Why didn't iup.SetAttribute work?
>
> Because it will assume that your callback is implemented in C and
> associated with IupSetFunction. In Lua you must use a Lua function to
> directly associate the callback.
>
> Best,
> Scuri
>
>
>
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