Thanks, I had found a work around by doing my positioning in the 'appear'
event and it seems to work without any noticeable movement of the controls.
But I think I will take your advice and move that to the resize event
instead.
Thanks,
Jim
On Fri, Jul 10, 2009 at 7:56 AM, Fabian Jakobs <[email protected]>wrote:
> Hi Jim,
>
> the size hint computes the preferred size of the widgets. This is
> computed for each widget in the first pass of the layout process. The
> second pass starts from the root widget and renders the widget based on
> their size hints and the available size. That's why the size hint can
> differ from the computed size. On way to get the computed size is
> listening to the "resize" event. This event is fired after the final
> size has been computed by the layout system.
>
> I hope this helps,
> Fabian
>
> Jim Hunter schrieb:
> > I am wondering how to accurately get the width of an object prior to
> > it getting rendered?
> >
> > I have an object that I am 'building' that is a composite of a few
> > controls (TextArea, Button, Label) and a few containers. Part of the
> > object is a qx.ui.basic.Label that I need to know how wide it is to
> > calculate some things. When I use this line, prior to rendering I get
> > 69 as the width:
> >
> > this.theCaption.getSizeHint()['width']
> >
> > But if I issue that same call after it gets rendered, the width is
> > reported as 62. So all of my calculations are off by 7. I am not
> > changing the font of the label after creating it so that can't be the
> > issue. Is there a better way to get the width of the label?
> >
> > Thanks,
> > Jim
>
>
>
> --
> Fabian Jakobs
> JavaScript Framework Developer
>
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