[Interest] How can i animate Layout.preferredWidth and friends?

[Mark]

On Tue, Oct 8, 2013 at 4:32 PM, Mark <markg85 at gmail.com> wrote:

> On Wed, Oct 2, 2013 at 2:25 PM, Mark <markg85 at gmail.com> wrote:
>
>> On Wed, Oct 2, 2013 at 11:51 AM, Saether Jan-Arve <
>> Jan-Arve.Saether at digia.com> wrote:
>>
>>>  Of course it should not crash.****
>>>
>>> I get an ASSERT: "mo" in file qml\qqmlvme.cpp, line 849 (this is with
>>> current stable branch though).****
>>>
>>> ** **
>>>
>>> I'm a bit curious to know why do you want to animate that property?****
>>>
>>> What do you want to achieve?****
>>>
>>> ** **
>>>
>>> Jan Arve****
>>>
>>> ** **
>>>
>>> *From:* interest-bounces+jan-arve.saether=digia.com at qt-project.org[mailto:
>>> interest-bounces+jan-arve.saether=digia.com at qt-project.org] *On Behalf
>>> Of *Mark
>>> *Sent:* 30. september 2013 01:40
>>> *To:* Qt Interest
>>> *Subject:* [Interest] How can i animate Layout.preferredWidth and
>>> friends?****
>>>
>>> ** **
>>>
>>> Hi,****
>>>
>>> ** **
>>>
>>> I thought something as simple as:****
>>>
>>> ** **
>>>
>>>             Behavior on Layout.preferredWidth {****
>>>
>>>                 NumberAnimation { duration: 1000 }****
>>>
>>>             }****
>>>
>>> ** **
>>>
>>> would do.. Apparently not since it crashes qmlscene..****
>>>
>>> Do i need to do it differently or did i just hit a bug?****
>>>
>>> ** **
>>>
>>> Version details:****
>>>
>>> Qt 5.1.0 x64 (i know, 5.1.1 is out)****
>>>
>>> Mac Mountain Lion fully updated****
>>>
>>> ** **
>>>
>>> Cheers,****
>>>
>>> Mark****
>>>
>>
>> Hi Jan,
>>
>> What i try to do is animate the (in this case) width. In a simple
>> description that would be it.
>> However, i try to animate the with of a component that is within a
>> Layout. In this case a RowLayout. If i use the width, the RowLayout itself
>> doesn't update, you can see that in this snippet [1]. Just press the nice
>> orange square :) What i want for that is to work. I tried animating the
>> Layout.preferredWidth property because changing the width using that does
>> update the RowLayout, but then the animation doesn't work.
>>
>> That's all i'm trying to do.
>>
>> [1] http://pastebin.kde.org/pxgjxhtza
>>
>
> Another bump.
> I haven't figured out a way to make this animated.
>

Added Jens to the CC. Hopefully he knows a way for this.
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