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# coding: utf-8
# /*##########################################################################
#
# Copyright (C) 2019 European Synchrotron Radiation Facility
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ###########################################################################*/
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "16/10/2020"
import logging
from silx.gui import qt
_logger = logging.getLogger(__name__)
class AdvancedSpinBox(qt.QSpinBox):
"""
A spin box with a little more custom behaviour.
"""
def __init__(self, parent=None):
super(AdvancedSpinBox, self).__init__(parent)
self.__mouseWheelEnabled = True
self.installEventFilter(self)
def eventFilter(self, widget, event):
"""
:param qt.QWidget widget: The widget receiving this event
:param qt.QEvent event: Event received by the widget
"""
if not self.__mouseWheelEnabled and event.type() == qt.QEvent.Wheel:
# Inhibit mouse wheel event
event.ignore()
return True
return False
def mouseWheelEnabled(self):
"""
True if the mouse wheel is used to changed the value contained by the
spin box.
:rtype: bool
"""
return self.__mouseWheelEnabled
def setMouseWheelEnabled(self, isWheelEnabled):
"""
Change the behaviour of the mouse wheel with the value.
:param bool isWheelEnabled: If `True` the mouse wheel can be used to
edit the value contained into the spin box.
"""
self.__mouseWheelEnabled = isWheelEnabled
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