On Sep 12, 2011, at 11:47 , Jamie Pinkham wrote:
> If your use case permits, you can figure out the frame of the bar button item
> in it's action selector by giving the selector the following signature:
>
> - (void)barButtonAction:(UIBarButtonItem *)item event:(UIEvent *)event;
Where is this signature documented? I looked around a bit, but couldn't find
it. I wonder what other signatures can be employed.
--
Rick
>
> You can then use the properties of UIEvent to get the touches location, or
> the view that the touches belong to.
>
> For instance:
> - (IBAction)barButtonAction:(UIBarButtonItem *)sender event:(UIEvent *)event{
> UITouch *touch = [[event allTouches] anyObject];
> CGPoint locationInView = [[[event allTouches] anyObject]
> locationInView:self.view];
> NSLog(@"event touch location = %@", [NSValue
> valueWithCGPoint:locationInView]);
> NSLog(@"touch.view = %@", [touch view]);
> }
>
> On Sep 12, 2011, at 12:53 PM, Roland King wrote:
>
>> I have a toolbar with items on it. One of them is a trash can. When I delete
>> something from the main screen I'd like it to 'minify' towards the trash
>> can, well I think I would, I have to see what it looks like and see if the
>> effect is as nice as I hope, I want to draw attention to where the 'thing'
>> has gone and this seems like a reasonable animation to try.
>>
>> However .. I can't figure out what the frame for the UIBarButtonItem is ..
>> it's on a bar with items which change, some flexible space etc, so it's not
>> a fixed offset from either end of the the thing, and I can't find an API
>> which tells me what the frame is for a given item. Is there one I've missed?
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