The default 4 column form layout in Tryton often allows to re-use the wasted space of fields with a small width like the date field, like in this example:
+--------+----------+---------+-----------------------------------+
| Label1:| [field1] | Label2:| [field2] |
+--------+----------+---------+-----------------------------------+
I would like to avoid adding a new label and field in a new row. Instead the expected result should look like this:
+--------+----------+---------+----------+--/…/--------+----------+
| Label1:| [field1] | Label2:| [field2] | /…/ Label3:| [field3] |
+--------+----------+---------+----------+--/…/--------+----------+
The behaviour on resizing the screen is that additional space is added between [field2] and Label3 (space comes here: /…/). This way Label3 stays together with [field3] and separates from [field2].
My solution is:
<label name="field1"/>
<field name="field1"/>
<!-- Keep the label of field2 in the original position -->
<label name="field2"/>
<!-- Only split the space of field2 into three additional columns -->
<group id="additional-fields" colspan="1" col="3">
<field name="field2"/>
<!-- Expand and fill the space for label3 and right align to field3 -->
<label name="field3" xexpand="1" xfill="1" xalign="1.0"/>
<!-- Shrink the space for field 3 to align it most right -->
<field name="field3" xexpand="0"/>
</group>
There is one small flaw in adding a group (at least in version 6.0). There is a small horizontal gap (_) between Label2 and [field2] which I can’t get rid of:
+--------+----------+---------+-_----------+-----------+----------+
| Label1:| [field1] | Label2:| _ [field2] | Label3:| [field3] |
+--------+----------+---------+-_----------+-----------+----------+
Any ideas how to use a group which doesn’t consume any space?