[Newbies] How to rescale child Morph when father does ?

[Nicola Mingotti]

Hi John,

Thank you for your suggestion.

In StackOverflow a guy suggested something else and also has given me 
some hints on how to look for solutions myself. See here: 
https://stackoverflow.com/questions/57269261/how-to-rescale-submorph-when-the-container-does/57279752#57279752

It will take me a while to solve this, there are still a lot of more 
fundamental things that i do not know and I need to get them sorted out.

bye
Nicola







On 8/2/19 8:36 PM, John-Reed Maffeo wrote:
> Nicola,
>
> This command will rescale the polygonMorph. I am not sure how it is 
> used in your example.
>
> 1. Run your sample code and create the rectangle.
> 2. Use the Halo to resize the parent and make sure to maintain the 
> aspect ratio
> 3. Launch Explore from the Halo.
> 4. Find the polygon submorph and select it.
> 5. In the code space at the bottom of the Explorer do "self bounds: 
> self owner bounds"
>
> Probably not much help, but perhaps a hint to something that will.
>
> -jrm
>
> On Tue, Jul 30, 2019 at 12:43 AM Nicola Mingotti <nmingotti at gmail.com 
> <mailto:nmingotti at gmail.com>> wrote:
>
>     Hi,
>
>     Considering this short snippet:
>     -------------------
>     "Prepare the rectangle containing the drawing."
>     r := RectangleMorph new.
>     r extent: 500 at 500.
>     r openInWindow.
>
>     p := PolygonMorph
>              vertices: {(r left)@(r top). (r right)@(r bottom)}
>              color: Color white borderWidth: 2 borderColor: Color white.
>
>     r addMorph: p.
>     --------------------
>
>     1] I see that the PolygonMorph 'p' translates with its father the
>     RectangleMorph 'r'. Ok, as expected.
>
>     2] If I rescale 'r' with the Halo yellow button, 'p' is not
>     rescaled and the effect is unexpected.
>
>     How can I make 'p' rescale with its father ?
>
>     bye
>     Nicola
>
>
>
>
>
>
>
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