[squeak-dev] Re: Morphic layout

Andreas Raab andreas.raab at gmx.de
Fri Oct 17 06:40:06 UTC 2008


R. Mark Volkmann wrote:
> I'm trying to learn basic Morphic.  Can someone tell me why the following code
> results in buttons labelled 1 through 4 from right to left instead of left to
> right?  Any comments about this code are welcomed!

The buttons are right to left because by default morphs are added to the 
front (first) and the layout computes left-to-right. As a consequence, 
you need to use #addMorphBack: to include the morph to the right.

Cheers,
   - Andreas


> 	| panel |
> 
> 	panel := Morph new.
> 	panel
> 		layoutPolicy: TableLayout new;
> 		listDirection: #leftToRight;
> 		hResizing: #shrinkWrap;
> 		vResizing: #shrinkWrap;
> 		layoutInset: 30;
> 		cellInset: 10.
> 
> 	"Why are buttons added in reverse order?"
> 	(1 to: 4) do: [:i |
> 		| button |
> 		button := PluggableButtonMorph
> 			on: [Transcript show: 'pressed'; cr]
> 			getState: nil
> 			action: #value.
> 		"Why is the color ignored?"
> 		button color: Color yellow; label: 'Button #', i asString.
> 		panel addMorph: button
> 	].
> 
> 	panel openInWindowLabeled: 'Mark''s Morphic Demo'
> 




More information about the Squeak-dev mailing list