Source code for taurus.qt.qtgui.input.tauruswheel

#!/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 __future__ import absolute_import

from taurus.external.qt import Qt

from taurus.core.taurusbasetypes import TaurusEventType
from taurus.qt.qtgui.base import TaurusBaseWritableWidget
from .qwheel import QWheelEdit


__all__ = ["TaurusWheelEdit"]

__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) 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)