On Tue, Jan 6, 2009 at 5:24 PM, Mr. Hericus <m...@hericus.com> wrote:
> Hi All,
>
> In a typical form, we layout widgets line by line using a parent VBox
> composite holding a series of lines which are HBox composites. Usually
> each line as 4 components (label, field, label, field). The labels are
> fixed in size, and the fields are set to {flex: 1} so that everything
> will line up, but also stretch dynamically as the window or form is
> re-sized. (code is below)
>
> With 0.7 when a ComboBox and a TextField were on the same line, there
> was no problems. The flex sizing evaluated both equally and gave each
> field the same size. However, with 0.8.1, this is not the case. The
> ComboBox has extra size compared to the TextField, and as a result, the
> fields get shifted around.
>
> I would submit that this is a bug in the flex sizing. The extra area
> for the ComboBox appears to be comming from the drop-down arrow and is
> added to the size of the ComboBox making it bigger than the text field.
>
> I've used the Playground application (very sweet, BTW) to work up a
> simple example of this. If y'all agree that this is a bug, I'll go
> ahead and submit it.
Hi. No, it's not a bug; it's just a different paradigm than was used in
0.7. In 0.8, each widget has a preferred width. Simple widgets (ones
without a layout), like a Label, typically have a preferred width of 100.
Compound widgets (with a layout), such as a ComboBox, have a preferred width
of the sum of the constituent part preferred widths. The text portion of
the ComboBox has preferred width 100, and the pull-down handle has some
additional preferred width, for a total of something more than 100, thus
your widgets don't line up. You can solve your current problem by setting
the preferred width of the ComboBox objects to 100:
l2_t1.setWidth(100);
l2_t2.setWidth(100);
l3_t2.setWidth(100);
l4_t1.setWidth(100);
You could, of course, also create a subclass of ComboBox that did this for
you in its constructor.
Cheers,
Derrell
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