Hi all,
*NSControl*
The delegate of an NSControl should be able to access validated values
with objectValue in -controlTextDidChange:(NSNotification *)obj (at
least that's the behavior on MacOSX).
- (void)textDidChange: (NSNotification *)aNotification
{
NSMutableDictionary *dict;
// validate NSNumbers immediately so that objectValue returns
reasonable
values in controlTextDidChange:
if ([_cell isEntryAcceptable:[[aNotification object] text]])
{
[self validateEditing];
}
...
}
Here I would like to get some evidence that this is what Cocoa does.
You
could for example place a break point in validateEditing and see from
where it gets called.
On MacOSX valdiateEditing is called from here:
#0 0x9313e878 in -[NSControl validateEditing] ()
#1 0x931400b8 in -[NSActionCell attributedStringValue] ()
#2 0x930bb6a8 in _NXDrawTextCell ()
#3 0x930c8180 in -[NSTextFieldCell drawInteriorWithFrame:inView:] ()
Until this is properly figured out, I have changed the above method
(temporary hack) as follows, since the above caused problems with date
formatters.
- (void)textDidChange: (NSNotification *)aNotification
{
NSMutableDictionary *dict;
// validate NSNumbers immediately so that objectValue returns
reasonable values in controlTextDidChange:
if ([(NSFormatter *)[_cell formatter]
isKindOfClass:[NSNumberFormatter class]])
{
[self validateEditing];
}
...
}
Regards,
Andreas
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