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# Copyright (c) 2017-19, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
# Description: <Enthought pyface package component>
""" The Qt-specific implementation of the spin field class """
from __future__ import (
absolute_import, division, print_function, unicode_literals
)
from traits.api import provides
from pyface.fields.i_spin_field import ISpinField, MSpinField
from pyface.qt.QtGui import QSpinBox
from .field import Field
@provides(ISpinField)
class SpinField(MSpinField, Field):
""" The Qt-specific implementation of the spin field class """
# ------------------------------------------------------------------------
# IWidget interface
# ------------------------------------------------------------------------
def _create_control(self, parent):
""" Create the toolkit-specific control that represents the widget. """
control = QSpinBox(parent)
return control
# ------------------------------------------------------------------------
# Private interface
# ------------------------------------------------------------------------
def _get_control_value(self):
""" Toolkit specific method to get the control's value. """
return self.control.value()
def _set_control_value(self, value):
""" Toolkit specific method to set the control's value. """
self.control.setValue(value)
def _observe_control_value(self, remove=False):
""" Toolkit specific method to change the control value observer. """
if remove:
self.control.valueChanged[int].disconnect(self._update_value)
else:
self.control.valueChanged[int].connect(self._update_value)
def _get_control_bounds(self):
""" Toolkit specific method to get the control's bounds. """
return (self.control.minimum(), self.control.maximum())
def _set_control_bounds(self, bounds):
""" Toolkit specific method to set the control's bounds. """
self.control.setRange(*bounds)
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