Re: Custom View Table Views

FROM : Corbin Dunn
DATE : Wed Jul 26 05:19:15 2006

On Jul 25, 2006, at 5:31 PM, Chris Suter wrote:
>
> On 26/07/2006, at 8:41 AM, Corbin Dunn wrote:
>

>>
>> On Jul 25, 2006, at 12:35 PM, Mike Abdullah wrote:
>>

>>> The biggest problem I've found is how NSCell works.  The table 
>>> view only uses one NSCell to do its drawing.  Rather than having a 
>>> cell for each row of the table, it has a single cell that is 
>>> copied and released as appropriate.
>>>

>>
>> This is actually a feature! It makes tables have good performance.

>
> NSCell objects in tables can also be a pain. We wanted to have a 
> small table that had cells with tracking rects so that we could have 
> rollover buttons that worked. We've managed to hack it to work 
> (without subclassing NSTableView) but it wasn't easy.


This is one of the specific things I will be talking about in the 
"Beyond Buttons and Sliders" talk, since it can be tricky to get 
right. The talk is subtitled "Advanced Controls in Cocoa".

> It would be nice if NSCell objects had this support. It would also 
> be useful if NSTableView objects could support NSView objects (which 
> would suit when you only had a small table).
>


Yes -- this would be nice. Please do make your voice heard by logging 
bugs and feature requests; that is the best way to let the Apple 
developers know what particular things the developers want to do. 
Thanks!

Corbin