3 Apr
2015
3 Apr
'15
2:42 a.m.
These composite shape may be the most complicated piece of code I have ever written.
Working on it…
Alexandre
On Mar 24, 2015, at 8:59 PM, Jan B.
<bliznjan(a)fit.cvut.cz> wrote:
Thank you, but I don't think that using first shape's callback is working
right if I edit second shape's extent.
Consider this example:
|s view e encompass block|
s := RTCompositeShape new.
s add: (RTBox new color: Color blue; size: 50).
s add: (RTEllipse new color: Color green; size: 100).
s horizontal.
s setAutomaticRelayout.
e := s element.
view := RTView new.
view add: e.
e @ RTDraggable.
encompass := RTBox new color: Color transparent; borderColor: Color red;
element.
view add: encompass.
block := [ encompass extent: e encompassingRectangle extent; translateTo: e
position. view signalUpdate. ].
e addCallback: (TRExtentCallback block: block); addCallback:
(TRTranslationCallback block: block).
block value.
e when: TRMouseClick do: [ :ev |
e trachelShape shapes second extent: 20@20.
view signalUpdate.
].
view open
When I, on mouse click, edit first shape, encompassing box changes fine, but
not like this, when I edit second shape.
Jan
abergel wrote
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Alexandre Bergel http://www.bergel.eu
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Hi Jan!
Composite shapes is a difficult beast to play with. You have found a bug,
and I have just fixed it.
Please update Roassal and Trachel, and you will obtain the expected
behavior.
Cheers,
Alexandre
> On Mar 22, 2015, at 6:22 PM, Jan B. <
bliznjan@.cvut
> wrote:
>
> Hello
>
> Sice I am still playing with composite shapes, I found another problem,
> in
> addition to incorrect behavior of calling update onto it.
> This time I found that composite shapes do not send callbacks in lots of
> cases. Example:
>
> | compo ellipse |
> compo := ((RTBox new size: 50; color: Color red; yourself) + RTBox new)
> element.
> compo @ RTDraggable.
> ellipse := RTEllipse new size: 20; color: Color blue; element.
> TRConstraint stick: ellipse below: compo.
> (RTView new) add: compo; add: ellipse; open.
>
> When I drag the composite shape, ellipse does not move, although it
> should.
>
> Jan
>
>
>
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Alexandre Bergel http://www.bergel.eu
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