Known subclasses: kiwi.ui.proxywidget.ValidatableProxyWidgetMixin, kiwi.ui.widgets.button.ProxyButton, kiwi.ui.widgets.checkbutton.ProxyCheckButton, kiwi.ui.widgets.colorbutton.ProxyColorButton, kiwi.ui.widgets.combo.ProxyComboBox, kiwi.ui.widgets.filechooser.ProxyFileChooserButton, kiwi.ui.widgets.filechooser.ProxyFileChooserWidget, kiwi.ui.widgets.fontbutton.ProxyFontButton, kiwi.ui.widgets.label.ProxyLabel, kiwi.ui.widgets.radiobutton.ProxyRadioButton, kiwi.ui.widgets.scale.ProxyHScale, kiwi.ui.widgets.scale.ProxyVScale

This class is a mixin that provide a common interface for KiwiWidgets.

Usually the Proxy class need to set and get data from the widgets. It also
need a validation framework.

@cvar allowed_data_types: A list of types which we are allowed to use
  in this class.
Method __init__ Undocumented
Method prop_set_data_type Set the data type for the widget
Method set_data_format Undocumented
Method set_options_for_datatype No summary
Method read No summary
Method update Update the content value of the widget. @param value:
Method _as_string Convert a value to a string @param data: data to convert
Method _from_string No summary
def prop_set_data_type(self, data_type):
Set the data type for the widget

@param data_type: can be None, a type object or a string with the
                  name of the type object, so None, "<type 'str'>"
                  or 'str'
def set_data_format(self, format):
Undocumented
def set_options_for_datatype(self, datatype, **options):
Set some options to be passed to the datatype converter.
Any additional parameter will be passed the the converter when
converting an object to a string, for displaying in the widget. Note
that the converter.as_string method should be able to handle such
parameters.

@param datatype: the datatype.
def _as_string(self, data):
Convert a value to a string
@param data: data to convert
def _from_string(self, data):
Convert a string to the data type of the widget
This may raise a L{kiwi.datatypes.ValidationError} if conversion
failed
@param data: data to convert
API Documentation for Kiwi, generated by pydoctor at 2019-08-08 02:24:42.