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From Greg Brown <gkbr...@mac.com>
Subject Re: Square PushButton
Date Fri, 07 Aug 2009 04:18:39 GMT
Running your example with my latest updates (reverting to the previous  
behavior, with some slight modifications) produces what I think might  
be the desirable results. I'll check it in momentarily.

On Aug 7, 2009, at 12:10 AM, Scott Lanham wrote:

> I am using the latest SVN. If I change the aspect ratio to 1.0 the  
> buttons
> look good. I kind of expected the buttons to look pretty much the  
> same at 1.2
> but they shrink significantly.
> It is kind of TabPane like behaviour but I do need horizontal text.  
> Also in
> the past (with other toolkits) the tabs haven't been big enough to  
> say "I am a
> major menu selection, click on me first" (not to mention tabs and  
> touch screens
> not working well together). If I could somehow set the tab's  
> internal padding
> around the text and icon to make them "big" I would certainly  
> consider using
> the TabPane.
> On Fri, 7 Aug 2009 01:58:49 pm Greg Brown wrote:
>> Did you sync with the latest from SVN? When I run your WTKX, all the
>> buttons are the same size (though the text is clipped - an aspect
>> ratio of 1.2 doesn't seem to be large enough).
>> One thought - it almost looks like you are trying to replicate tab
>> pane behavior here. Might TabPane be an alternative? We do support
>> vertical tabs. But maybe you want horizontal text and a vertical
>> layout, which TabPane doesn't currently support. Maybe it  
>> should...  ;-)
>> On Aug 6, 2009, at 11:13 PM, Scott Lanham wrote:
>>> Attached is my wtkx file. For one button the aspect ratio worked
>>> great, but for
>>> two and three buttons they get progressively smaller.
>>> On Fri, 7 Aug 2009 12:41:01 pm Greg Brown wrote:
>>>> For an example, see:
>>>> http://svn.apache.org/repos/asf/incubator/pivot/trunk/wtk/test/org/apach
>>>> e/p ivot/wtk/test/preferred_aspect_ratio_test.wtkx
>>>> G
>>>> On Aug 6, 2009, at 10:36 PM, Greg Brown wrote:
>>>>> OK, TerraPushButtonSkin now properly respects the
>>>>> "preferredAspectRatio" style. If you set it to 1 (and the parent
>>>>> container respects the button's preferred size), you'll get a  
>>>>> square
>>>>> button.
>>>>> However, you won't be able to simply rely on the box pane for
>>>>> calculating the correct preferred height for all of the buttons.  
>>>>> The
>>>>> (unconstrained) preferred height of the box pane is still going to
>>>>> be determined as the sum of the unconstrained preferred heights of
>>>>> the buttons. Only when the width of the box pane is constrained  
>>>>> can
>>>>> we determine the actual button heights (since they depend on the
>>>>> max. button width, which isn't known until layout - it is not, and
>>>>> cannot be, known at preferred size calculation time).
>>>>> So, you identified a valid issue - thank you! But in order to meet
>>>>> your use case, you'll need to ensure that the box pane is given
>>>>> enough vertical height to accommodate all the buttons - that  
>>>>> height
>>>>> can't be determined automatically. Even a scroll pane or panorama
>>>>> can't help here - your box pane must simply be given enough  
>>>>> vertical
>>>>> screen real estate to display all of the buttons.
>>>>> Hope this helps.
>>>>> G
>>>>> On Aug 6, 2009, at 9:47 PM, Greg Brown wrote:
>>>>>> I understand your use case. I think that a vertical box pane with
>>>>>> fill set to true would meet your needs, if we can get  
>>>>>> PushButton to
>>>>>> behave correctly with respect to preferred aspect ratio.  :-)   
>>>>>> I'm
>>>>>> looking into it right now.
>>>>>> On Aug 6, 2009, at 9:42 PM, Scott Lanham wrote:
>>>>>>> Thanks Greg,
>>>>>>> What I originally expected aspect ratio to do is to increase
>>>>>>> smallest of
>>>>>>> either height or width to keep the ratio constant. But my  
>>>>>>> focus is
>>>>>>> only on my
>>>>>>> own needs so it is hard to see the big picture. It turns out
>>>>>>> square button
>>>>>>> looks terrible when I did get it working and I ended up using
>>>>>>> aspect ratio
>>>>>>> of 1.2. To get that ratio to work I had to set preferred height
>>>>>>> but I don't
>>>>>>> like setting explicit dimensions if it can be avoided though.
>>>>>>> What I am ultimately trying to do at the moment is create a
>>>>>>> vertical "toolbar"
>>>>>>> that keeps all buttons the same size. The size of the buttons
>>>>>>> are
>>>>>>> dictated by
>>>>>>> the button with the largest content and the aspect ratio is to
>>>>>>> keep all the
>>>>>>> buttons at a nice shape. One of the apps I work on is touch 

>>>>>>> screen
>>>>>>> based so
>>>>>>> keeping the buttons large and a nice shape is important.
>>>>>>> On Fri, 7 Aug 2009 11:21:22 am Greg Brown wrote:
>>>>>>>> Preferred aspect ratio currently affects the height if it
>>>>>>>> less
>>>>>>>> than
>>>>>>>> 1, and the width if it is greater than or equal to 1.  
>>>>>>>> However, I
>>>>>>>> can
>>>>>>>> see why you might expect that setting it to a value of 1
>>>>>>>> produce
>>>>>>>> a square button. I'll look into that.
>>>>>>>> In the meantime, your best bet is to either a) use square
>>>>>>>> content
>>>>>>>> (such as an icon whose width and height are equal) or b)
>>>>>>>> manually
>>>>>>>> set
>>>>>>>> the preferred width and height to the same value.
>>>>>>>> G
>>>>>>>> On Aug 6, 2009, at 8:44 PM, Scott Lanham wrote:
>>>>>>>>> Hi,
>>>>>>>>> I would like to create a PushButton that stays square
>>>>>>>>> matter
>>>>>>>>> what
>>>>>>>>> its
>>>>>>>>> button data contains. I have tried to set preferredAspectRatio
>>>>>>>>> to 1
>>>>>>>>> but it
>>>>>>>>> only appears to affect the button width. Is there any
way I  
>>>>>>>>> can
>>>>>>>>> keep
>>>>>>>>> a button
>>>>>>>>> square besides setting the preferred height and width
to be  
>>>>>>>>> the
>>>>>>>>> same?
>>>>>>>>> Thanks,
>>>>>>>>> Scott.
>>> <applicationUi.xml>

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