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#------------------------------------------------------------------------------
# Copyright (c) 2014-2024,, 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 Bool, Enum, Typed, ForwardTyped
from enaml.core.declarative import d_, observe
from .abstract_button import AbstractButton, ProxyAbstractButton
class ProxyToolButton(ProxyAbstractButton):
""" The abstract definition of a proxy ToolButton object.
"""
#: A reference to the ToolButton declaration.
declaration = ForwardTyped(lambda: ToolButton)
def set_button_style(self, style):
raise NotImplementedError
def set_auto_raise(self, auto):
raise NotImplementedError
def set_popup_mode(self, mode):
raise NotImplementedError
class ToolButton(AbstractButton):
""" A widget for creating tool bar buttons.
A ToolButton can be declared as the child of a ToolBar or used as
a regular widget in a constraints layout. It supports an optional
child Menu object which will open when the button is clicked
according the specified popup mode.
"""
#: The button style to apply to this tool button.
button_style = d_(Enum(
'icon_only', 'text_only', 'text_beside_icon', 'text_under_icon'
))
#: Whether or not auto-raise is enabled for the button.
auto_raise = d_(Bool(True))
#: The mode for displaying a child popup menu.
popup_mode = d_(Enum('delayed', 'button', 'instant'))
#: A reference to the ProxyToolButton object.
proxy = Typed(ProxyToolButton)
@observe('button_style', 'auto_raise', 'popup_mode')
def _update_proxy(self, change):
""" An observer which updates the proxy when the ToolButton changes.
"""
# The superclass implementation is sufficient
super(ToolButton, self)._update_proxy(change)
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