I was wrong about the DOM. Verified from Odoo 19 source on entech:
web/static/src/views/fields/float/float_field.xml
web/static/src/views/fields/char/char_field.xml
web/static/src/views/list/list_renderer.xml
Float/Char fields render as a BARE <span> (read mode) or BARE
<input class="o_input"> (edit mode) directly inside the <td>.
There is NO .o_field_widget wrapper. So all my prior CSS targeting
.o_field_widget matched nothing.
Also discovered: Odoo's getCellClass() in list_renderer.js calls
canUseFormatter() which strips custom <field> classes when the
column has widget="..." set:
canUseFormatter(column, record) {
if (column.widget) {
return false; // ← class stripped here
}
...
}
So o_fp_iw_value class doesn't even land on cells with
widget="boolean_toggle"/"image". Those cells render natively;
boolean toggle and image styling now targets the widgets directly
wherever they appear (.o_boolean_toggle, .o_field_image).
Fix: put visible chrome (border, bg, padding, min-height) on the
<td> itself for prompt/meta/value/extras cells. Make inner span
and input transparent + inherit. Focus ring travels up via
:focus-within on the td.
Cells now look like obvious input boxes from first paint, regardless
of whether the user has clicked into edit mode.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>