[jaxx-interest] new blog entry: "Reinventing GridBagLayout"

[Ethan Nicholas]

Yep, all a function of Java's GUI libraries -- and yes Java has min, 
max, preferred, and all that.

And eventually I will be building a visual builder using JAXX -- I just 
don't feel I need to hold up the 1.0 release for a visual builder, so I 
haven't tackled that particular job yet.  I am instead building a more 
approachably-sized application to verify that JAXX works the way I want 
for "real" applications, and I'll tackle a visual builder for the next 
major release (or, even better, recruit some help so I don't have to do 
everything by myself...).
 
Ethan


Anderson, Kelly wrote:
> ok, that sounds like what I call a grid. It is also very useful. I'm
> glad to hear that you have VBox and HBox.
>
> Do the individual widgets have a minimum, maximum and desired size? How
> is the layout computed? Proportional to the maximum size of the widgets?
> Or some other mechanism? 
>
> One of the things our geometry model had was top down resizing (that is,
> the user resizes the dialog) and bottom up resizing (that is, a widget
> asks to have more space). Do you have that? Or is this less a function
> of Jaxx, and more a function of the toolkit you are using?
>
> You were mentioning that you wanted to create a real application to
> demonstrate Jaxx' capabilities. When I was doing this sort of thing, I
> created a visual layout tool using the tool itself. Also a mechanism for
> creating Presentation classes, and specifying their attachment to the
> GUI. Building the builder with itself, we called it. Others refer to
> this as eating your own dogfood. It's great for this sort of
> application.
>
> -Kelly 
>
>   
>> -----Original Message-----
>> In that case it sounds like it's just nested boxes -- which 
>> is certainly something JAXX can do (using <VBox> and <HBox>), 
>> but Table is quite different.  The point of Table is to 
>> constrain rows and columns relative to each other, for 
>> instance to make sure that both JTextFields start at the same 
>> coordinate by putting them into the same column.
>>
>> Ethan
>>
>>
>> Anderson, Kelly wrote:
>>     
>>> If you are self-constrained not to create a new layout 
>>>       
>> mechanism, then 
>>     
>>> this conversation MAY be somewhat pointless.
>>>
>>> This boxes and glue constraint system is based on the idea 
>>>       
>> that every 
>>     
>>> control has a minimum, maximum and desired size in both x and y.
>>>
>>> So, If the minimum size of Label 1 were larger than the 
>>>       
>> minimum size 
>>     
>>> of Label 2, then you would get something like this:
>>>
>>>  +------------------------------------------+
>>>  |+----------------------------------------+|
>>>  ||+-----------------------++-------------+||
>>>  |||    Label 1            || Text 1      |||
>>>  ||+-----------------------++-------------+||
>>>  |+----------------------------------------+|
>>>  |+----------------------------------------+|
>>>  ||+-------------++-----------------------+||
>>>  |||    Label 2  ||           Text 2      |||
>>>  ||+-------------++-----------------------+||
>>>  |+----------------------------------------+|
>>>  |           +--------------------+         |
>>>  |           |+--------++--------+|         |
>>>  |           ||   OK   || Cancel ||         |
>>>  |           |+--------++--------+|         |
>>>  |           +--------------------+         |
>>>  +------------------------------------------+
>>>
>>>       
>
>
>
>
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