Newbie Q: SimpleSliderMorph

Bilal Ahmed bilal at dgp.toronto.edu
Thu Jul 24 14:18:18 UTC 2003


Thanks Jon!

Regards,
Bilal

On Thu, 24 Jul 2003, Jon Hylands wrote:

> On Thu, 24 Jul 2003 09:38:10 -0400 (EDT), Bilal Ahmed
> <bilal at dgp.toronto.edu> wrote:
> 
> > What I have presently is 
> > levelSlider _ SimpleSliderMorph new color: (Color lightBlue);
> > 	extent: 40 @ 20;
> > 	target: self;
> > 	actionSelector: #value:;
> > 	adjustToValue: self value.		
> > 
> > That updates the instance variable value upon moving the slider. 
> > 
> > What I've tried with respect to UpdatingStringMorph is 
> > 	valueString _ UpdatingStringMorph new.
> > 	valueString contents: value printString. 
> > 	self addMorphCentered: valueString. 
> > 
> > But it doesn't visually update the value when moving the slider (although 
> > internally it is). Is there perhaps an easier way to approach this? Again, 
> > all I'm hoping to do is show the value of value as it is updated.
> 
> Try this:
> 
> 	valueString := UpdatingStringMorph on: self selector: #value.
> 	self addMorphCentered: valueString
> 
> Later,
> Jon
> 
> --------------------------------------------------------------
>    Jon Hylands      Jon at huv.com      http://www.huv.com/jon
> 
>   Project: Micro Seeker (Micro Autonomous Underwater Vehicle)
>            http://www.huv.com
> 
> 



More information about the Squeak-dev mailing list