Re: How to create a button dynamically and set action in subclass
Re: How to create a button dynamically and set action in subclass
- Subject: Re: How to create a button dynamically and set action in subclass
- From: "Anish Kumar" <email@hidden>
- Date: 9 Dec 2004 05:28:45 -0000
Hi,
I re-checked my sent mail folder for the TO: address and it was indeed addressed to JOHN
FOX and I wonder how John Spicer, recevied it.
Any way thanks once again for JOHN FOX for the help.
-Anish
On Tue, 07 Dec 2004 John Spicer wrote :
>I think you sent this to the wrong john!
>
>On Dec 7, 2004, at 4:38 AM, Anish Kumar wrote:
>
>> Hi John,
>>
>> Thanks for your much needed help. I used your suggestion and was able to find a
solution
>> for my problem.
>>
>> I created a new nib file and added a button over window(a borderless window). Then I
>> changed the fileowners class as sub-class of NSWindow. In the application when the
user
>> writes his comments for the image and saves it, I attach the new button window as a
child
>> window to the window that display the image. So every time a user comments and
saves it,
>> a button will sit over the original image indicating that there is a comment. Now if the
user
>> clicks the button, I open a new window and display the comment that was stored for
that
>> location.
>>
>> Thanks once again John for your help,
>> -Anish,
>> http://indinfo.webpulsar.com/
>>
>>
>> On Mon, 06 Dec 2004 John Fox wrote :
>> >Hi Anish:
>> >
>> >I've done something similar, by using a "prototype" view that I instantiate from a nib
file
>> and which is then positioned on screen over an NSImageView subclass. It's not terribly
>> difficult to do, and since I've gotten lots of help from people on the list at various
times, I'd
>> be happy to help you with it.
>> >
>> >Essentially, in IB you want to create your view object with whatever UI elements you
need
>> (a scrolling text field and/or a button, etc.). In that nib file: I suggest you create your
own
>> subclass to be the File's Owner. This will make it possible to take care of loading the
nib
>> file, take care of whatever configuration you need, etc. The File's Owner will also
contain the
>> action methods you need for when a button is clicked, etc.
>> >
>> >To load the nib file, you use something like this in your class' init method:
>> >
>> > [NSBundle loadNibNamed: @"MyNiftyNibFile" owner: self];
>> >
>> >You'll want to make add this view to your NSImageView subclass by doing something
like:
>> >
>> > if (![[myImageView subviews] containsObject:mySubview])
>> > {
>> > [myImageView addSubview:mySubview];
>> > }
>> >
>> >You will also need to set the location, and possibly adjust the size of this view using
>> NSView's setFrameOrigin: and setFrameSize: methods.
>> >
>> >Doubtless, there may be other approaches to solve this problem, but this technique
has
>> worked well for me.
>> >
>> >Anyway, I hope this helps, and If not, feel free to get in touch, and I'll see if I can help
you
>> some more.
>> >
>> >Take care,
>> >
>> >John
>>
>>
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