That should be unview/ONLY :
> view layout[
> text "Titel" FTitel: field
> button "OK" [either empty? FTitel/text
> [
> view/new newlay: layout
> [
> text "Enter Title"
> button "OK" [unview newlay focus Ftitel] ; <---- bad
button "OK" [unview/only newlay focus Ftitel] ; <---
good
> ]
> ]
> [unview/all]
> ]]
Unview by itself will close just the last opened window,
which only works until you open a second window.
But, to be honest, this approach to field validation
seems to be not a good one, if I understand what you're trying
to do. Why open a second window asking for the same information?
That's just moving the problem to a second window.
How about something like this ?
view center-face layout [
text "Titel" FTitel: field
button "OK" [
either empty? FTitel/text [
FTitel/edge: make FTitel/edge [color: red]
focus FTitel ; (also does a SHOW)
][
unview
]
]
]
Anton.
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