# Source code for enaml.widgets.time_selector

    #------------------------------------------------------------------------------
    # Copyright (c) 2013-2025, Nucleic Development Team.
    #
    # Distributed under the terms of the Modified BSD License.
    #
    # The full license is in the file LICENSE, distributed with this software.
    #------------------------------------------------------------------------------
    from atom.api import Str, Typed, ForwardTyped, set_default

    from enaml.core.declarative import d_, observe

    from .bounded_time import BoundedTime, ProxyBoundedTime

    class ProxyTimeSelector(ProxyBoundedTime):
        """ The abstract definition of a proxy TimeSelector object.

        """
        #: A reference to the TimeSelector declaration.
        declaration = ForwardTyped(lambda: TimeSelector)

        def set_time_format(self, format):
            raise NotImplementedError

    class TimeSelector(BoundedTime):
        """ A time widget that displays a Python datetime.time object using
        an appropriate toolkit specific control.

        """
        #: A python time format string to format the time. If None is
        #: supplied (or is invalid) the system locale setting is used.
        #: This may not be supported by all backends.
        time_format = d_(Str())

        #: A time selector is free to expand in width by default.
        hug_width = set_default('ignore')

        #: A reference to the ProxyDateSelector object.
        proxy = Typed(ProxyTimeSelector)

        #--------------------------------------------------------------------------
        # Observers
        #--------------------------------------------------------------------------
        @observe('time_format')
        def _update_proxy(self, change):
            """ An observer which updates the proxy with state change.

            """
            # The superclass implementation is sufficient.
            super(TimeSelector, self)._update_proxy(change)