Passing pointer in MenuItemImage to callback function

cocos2d for iPhone » Programming » cocos2d support (graphics engine)

Passing pointer in MenuItemImage to callback function

(5 posts) (4 voices)

Started 2 years ago by reedjsmith
Latest reply from Stuart Carnie

Tags:

reedjsmith
Member

What is the best way to pass a parameter to menuCallBack below from MenuItemImage. I would like to pass a pointer if possible. Searched the forum with no luck. Maybe it's not possible.

[MenuItemImage itemFromNormalImage:@"image.png" selectedImage:@"selected_image.png" target:self selector:@selector(menuCallback:)];

Thanks Reed

Posted 2 years ago #
reedjsmith
Member

So I solved the issue but not sure if it's the best way. After reading about selectors and them not having the ability to send parameters, I added a data property to MenuItemImage so I can send pointers back. Seems to work fine. Any better solutions?

Posted 2 years ago #
sunsu
Member

I believe all cocos nodes are supposed to have a void data parameter now. Maybe you could just use that?

Posted 2 years ago #
ddeaco
Member

Hi, do you mind explaining your solution a little more, I'm stuck trying to pass an argument with a MenuItemImage.

Thanks

Posted 2 years ago #

Stuart Carnie
Member

This is where blocks will come in handy:

[MenuItemImage itemFromNormalImage:@"image.png" selectedImage:@"selected_image.png" block:^(id sender){
	// do something
	if (someLocalVariable == ...)

	if (someFieldVariable == ...)
}];

Posted 2 years ago #

RSS feed for this topic

Reply

You must log in to post.