Path: utzoo!censor!geac!torsqnt!hybrid!scifi!bywater!uunet!kgw2!dennisg
From: dennisg@kgw2.bwi.WEC.COM (Dennis Glatting)
Newsgroups: comp.sys.next
Subject: Re: NeXTstep programming question
Keywords: ib nextstep mouse events
Message-ID: <1893@kgw2.bwi.WEC.COM>
Date: 19 Jan 91 14:52:39 GMT
References: <1048@nada.cs.utexas.edu>
Sender: dennisg@kgw2.bwi.WEC.COM
Reply-To: dennisg@Xetron.COM
Organization: Xetron Corporation, Cincinnati Ohio
Lines: 36


In article <1048@nada.cs.utexas.edu>, garnett@cs.utexas.edu (John William Garnett) writes:
|> Here's the scenario.  I have used IB to create a window with a slider
|> object.  I have been able to connect the output of the slider to a
|> custom object.  What I would like to be able to do is be able to
|> detect each mouseDown event that corresponds to the beginning of
|> a movement of the slider.  Similarly, I wish to be able to detect
|> the mouseUp event that signifies the end of a given slider movement.
|> 
|> It appears that the slider object is absorbing the mouse events
|> that are being sent to my application.  Does (should?, can?) the
|> slider object forward the mouse event message so that other
|> program fragments can act on it?  I've attempted to figure out
|> how to do this from reading the online NeXT docs but have yet
|> to have any success.
|> 

slider is a subclass of Responder.  what i would do here is to 
subclass slider and overload the Responder methods of interest.
For example,

- mouseUp:( NXEvent * )event {

    [ super mouseUp:event ];

         ....
    your code here
         ...

    return self;
}


--
 ..!uunet!kgw2!dennisg  | Dennis P. Glatting
 dennisg@Xetron.COM     | X2NeXT developer