Re: Are views active or inactive?
Re: Are views active or inactive?
- Subject: Re: Are views active or inactive?
- From: Jean-Daniel Dupas <email@hidden>
- Date: Wed, 23 Dec 2009 12:15:11 +0100
Le 23 déc. 2009 à 12:06, Gregory Weston a écrit :
> Rick Mann wrote:
>
>> On Dec 22, 2009, at 19:51:03, Kyle Sluder wrote:
>>
>>> On Tue, Dec 22, 2009 at 9:45 PM, Rick Mann <email@hidden> wrote:
>>>> I'm listening for that notification. Sure is a clunky way to do things. I've never used a view framework that didn't tell views when they became active/inactive.
>>>
>>> Views don't become (in)active, windows do. Since there are plenty of
>>> things that might be interested in that (Window menu, controllers,
>>> views∑), it's done as a notification so all interested parties can
>>> listen for it.
>>
>> I'm not against the notification, I just think NSView should have an active property. Views do become inactive (look at any well-designed control).
>
> Did you happen to have an 'a-ha' moment when you typed that sentence? "Views" don't generally have an active/inactive state. Controls, which are a special case of view, do. So have you considered making your custom view an NSControl instead of a simple NSView?
>
> That's the thing, you see. "Inactive" means the user can't interact with it. But the user can't interact with a view that's not a control anyway, so the state has no meaning.
and 'active' is called 'enabled' in Cocoa.
-- Jean-Daniel
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