#!/usr/bin/env python
# ###########################################################################
#
# This file is part of Taurus
#
# http://taurus-scada.org
#
# Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
#
# Taurus is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Taurus is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Taurus. If not, see <http://www.gnu.org/licenses/>.
#
# ###########################################################################
"""This module provides a set of basic taurus widgets based on QWheelEdit
"""
from taurus.external.qt import Qt
from taurus.core.taurusbasetypes import TaurusEventType
from taurus.qt.qtgui.base import TaurusBaseWritableWidget
from .qwheel import QWheelEdit
__docformat__ = "restructuredtext"
[docs]class TaurusWheelEdit(QWheelEdit, TaurusBaseWritableWidget):
def __init__(self, qt_parent=None, designMode=False):
name = self.__class__.__name__
self.call__init__wo_kw(QWheelEdit, qt_parent)
self.call__init__(
TaurusBaseWritableWidget, name, designMode=designMode
)
self.numberChanged.connect(self.notifyValueChanged)
self.returnPressed.connect(self.writeValue)
self.valueChangedSignal.connect(self.updatePendingOperations)
self._configured = False
# -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
# TaurusBaseWidget overwriting
# -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
[docs] def handleEvent(self, evt_src, evt_type, evt_value):
if evt_type == TaurusEventType.Config or not self._configured:
if evt_value is not None:
obj = self.getModelObj()
# set decimal digits
self.setDigitCount(int_nb=None, dec_nb=obj.precision)
# set min and max values
min_, max_ = obj.getRange()
if min_ is not None:
self.setMinValue(min_.magnitude)
if max_ is not None:
self.setMaxValue(max_.magnitude)
self._configured = True
TaurusBaseWritableWidget.handleEvent(
self, evt_src, evt_type, evt_value
)
[docs] def updateStyle(self):
TaurusBaseWritableWidget.updateStyle(self)
if self.hasPendingOperations():
self.setStyleSheet(
"QWheelEdit {border: 2px solid; "
+ "border-radius: 4px; "
+ "border-color: blue}"
)
else:
self.setStyleSheet(
"QWheelEdit {border: 2px solid; "
+ "border-radius: 4px; "
+ "border-color: rgba(0,0,255,0)}"
)
[docs] @classmethod
def getQtDesignerPluginInfo(cls):
ret = TaurusBaseWritableWidget.getQtDesignerPluginInfo()
ret["module"] = "taurus.qt.qtgui.input"
ret["icon"] = "designer:wheeledit.png"
return ret
# -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
# QT properties
# -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~
model = Qt.pyqtProperty(
"QString",
TaurusBaseWritableWidget.getModel,
TaurusBaseWritableWidget.setModel,
TaurusBaseWritableWidget.resetModel,
)
#: (deprecated))
useParentModel = Qt.pyqtProperty(
"bool",
TaurusBaseWritableWidget.getUseParentModel,
TaurusBaseWritableWidget.setUseParentModel,
TaurusBaseWritableWidget.resetUseParentModel,
)
autoApply = Qt.pyqtProperty(
"bool",
TaurusBaseWritableWidget.getAutoApply,
TaurusBaseWritableWidget.setAutoApply,
TaurusBaseWritableWidget.resetAutoApply,
)
forcedApply = Qt.pyqtProperty(
"bool",
TaurusBaseWritableWidget.getForcedApply,
TaurusBaseWritableWidget.setForcedApply,
TaurusBaseWritableWidget.resetForcedApply,
)