[QGIS-Developer] QGIS attribute form - changing values with Python of disabled widgets

[Matthias Kuhn]

Hi Andreas,

How about going the other way around and leaving them as editable in the
config and disabling the widget via python instead?

Matthias

On Mon, Nov 7, 2022 at 3:42 PM Andreas Neumann via QGIS-Developer <
qgis-developer at lists.osgeo.org> wrote:

> Hi,
>
> I have a QGIS form with a number of widgets that are set to "disabled". I
> don't want the user to change these values manually, but they should be
> updated by a Python action "on demand". Hence I set the editable state of
> these widgets to False.
>
> Now I noticed that while I can change values in the widgets with my Python
> action, the values are not stored when the editable state is set to
> "False". As soon as I set the editable state to "True", then my Python
> action works fine and the values are correctly stored.
>
> I tried with two approaches:
>
> QgsAttributeForm.changeAttribute()
>
> and
>
> QgsWidget.setValue()
>
> Both of these work fine when editable state is enabled, but not, when they
> are disabled.
>
> Is there any way to also change attribute values when the editable state
> of a widget is set to False?
>
> Thanks,
>
> Andreas
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