I wish ...

Scott Rossi scott at tactilemedia.com
Thu Jun 11 20:08:10 EDT 2015


If I understand what you're proposing, it should be fairly straightforward to create custom properties that you can set for the objects within the group (or perhaps as a behavior of the group) such as "relativeTop," and have that setProp handler calculate whatever offsets you want.

Regards,

Scott Rossi
Creative Director
Tactile Media UX/UI Design

> On Jun 11, 2015, at 4:27 PM, Paul Dupuis <paul at researchware.com> wrote:
> 
> Folks,
> 
> Thanks for the tips, but I know how to position objects exactly where I
> want in a scrolling group
> 
> My "venting" was that IF you are thinking about the layout in terms of
> offsets from the top left of the group, you are forever adding the top
> or left to your object positions
> 
> If my group is at 50,50 (top left) and has margins of 0 and I want an
> object position inside the group at 40 pixel in from the left of the
> group and 40 pixels down from the top of the group, I can't set the
> topLeft of the object to 40,40 I have to do math like:
> 
> set the top of btn X to the top of the owner of btn x + 40
> set the left of btn x to the left of the owner of btn x+40
> 
> OR explicitly as
> 
> set the top of btn X to the top of group Y + 40
> set the left of btn x to the left of group Y +40
> 
> OR very explicitly as
> 
> set the topLeft of btn X to 90,90
> 
> 
> Wouldn't it be more convenient to be able to do something like
> 
> set the relative top of btn X to 40 -- and have LiveCode see the keyword
> "relative" and position it at 40 pix down from the top of it's owner?
> 
> And have "relative" be independent of the current scroll. So in the same
> example if the group is current scrolled down 200 pixels and button
> who's original top was 40 (relative to the top of the group or 90 in
> card coordinates) is now at -110 in card coordinates. If you create
> another object to position, you have to factor in the current scroll as
> well. If you could specify "relative", the engine would account for the
> scroll for you.
> 
> The "relative" keyword would always be applicable for any object below a
> stack, since even for a single button on a card, the button's owner is
> the card and "relative top" is the same as "top" since a card topLeft is
> 0,0 by definition.
> 
> 
> 
>> On 6/11/2015 6:52 PM, Mike Bonner wrote:
>> If you want to get the size of the group including stuff outside the
>> visible area, look at the formattedheight the formattedwidth or go directly
>> to the formattedrect and use that.
>> 
>> On Thu, Jun 11, 2015 at 3:15 PM, Bob Sneidar <bobsneidar at iotecdigital.com>
>> wrote:
>> 
>>> Seems like you could write a handler that could do it. The owner is what
>>> you want to look at in the dictionary. The owner of an object is the group
>>> it is in.
>>> 
>>> Bob S
>>> 
>>> 
>>>> On Jun 11, 2015, at 09:00 , Paul Dupuis <paul at researchware.com> wrote:
>>>> 
>>>> ... that LiveCode had a way you could set any and all the coordinates
>>>> (loc, rect, top, bottom, left, right, topLeft, topRight, bottomLeft,
>>>> bottomRight) of an object inside a group RELATIVE to the group (AND
>>>> independent of the group's scroll) - like the relativePoints property of
>>>> a polygon graphic!
>>>> 
>>>> That would make arranging complex layouts of objects in a scrolling
>>>> group SO MUCH easier!
>>>> 
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