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#------------------------------------------------------------------------------
# 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 Typed
from enaml.widgets.push_button import ProxyPushButton
from .QtWidgets import QPushButton
from .qt_abstract_button import QtAbstractButton
from .qt_menu import QtMenu
class QtPushButton(QtAbstractButton, ProxyPushButton):
""" A Qt implementation of an Enaml ProxyPushButton.
"""
#: A reference to the widget created by the proxy.
widget = Typed(QPushButton)
#--------------------------------------------------------------------------
# Initialization API
#--------------------------------------------------------------------------
def create_widget(self):
""" Create the underlying QPushButton widget.
"""
self.widget = QPushButton(self.parent_widget())
def init_widget(self):
""" Initialize the state of the widget.
"""
super(QtPushButton, self).init_widget()
self.set_default(self.declaration.default)
def init_layout(self):
""" Handle layout initialization for the push button.
"""
super(QtPushButton, self).init_layout()
self.widget.setMenu(self.menu())
#--------------------------------------------------------------------------
# Utility Methods
#--------------------------------------------------------------------------
def menu(self):
""" Find and return the menu child for this widget.
Returns
-------
result : QMenu or None
The menu defined for this widget, or None if not defined.
"""
m = self.declaration.menu()
if m is not None:
return m.proxy.widget
#--------------------------------------------------------------------------
# Child Events
#--------------------------------------------------------------------------
def child_added(self, child):
""" Handle the child added event for a QtPushButton.
"""
super(QtPushButton, self).child_added(child)
if isinstance(child, QtMenu):
self.widget.setMenu(self.menu())
def child_removed(self, child):
""" Handle the child removed event for a QtPushButton.
"""
super(QtPushButton, self).child_removed(child)
if isinstance(child, QtMenu):
self.widget.setMenu(self.menu())
#--------------------------------------------------------------------------
# ProxyPushButton API
#--------------------------------------------------------------------------
def set_default(self, default):
""" Set the default button behavior for the widget.
"""
self.widget.setDefault(default)
if default:
self.widget.setFocus()
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