- Textview: Wrap text, set padding
- ListMultiTreeView: Align checkboxes to the right
- Add a adjustment element that sets default sizes on the columns
- Allow two new options 'form-width' and 'left-width' to customize sizes
- Show orange warning icon if a field is required
- Show red error icon if validation of the field failed
- Set validation error text as tooltip of the icon
- DataFormWidget emits a signal 'is-valid' on every change
- A option dict can be passed which controls how the DataForfWidget looks
- Analyse the field label lengths and adjust the label justification (left/right)