/usr/lib/python2.7/dist-packages/sardana/taurus/qt/qtgui/extra_pool/poolmotor.py is in python-sardana 1.6.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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##############################################################################
##
## This file is part of Sardana
##
## http://www.sardana-controls.org/
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
## Sardana 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.
##
## Sardana 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 Sardana. If not, see <http://www.gnu.org/licenses/>.
##
##############################################################################
import sys
import copy
import PyTango
import numpy
from taurus.external.qt import Qt
import taurus
from taurus.core.util.colors import DEVICE_STATE_PALETTE
from taurus.core.taurusbasetypes import TaurusEventType
from taurus.core.taurusvalidator import DeviceNameValidator
import taurus.qt.qtcore.mimetypes
from taurus.qt.qtgui.base import TaurusBaseWritableWidget
from taurus.qt.qtgui.compact import TaurusReadWriteSwitcher
from taurus.qt.qtgui.dialog import ProtectTaurusMessageBox
from taurus.qt.qtgui.base import TaurusBaseWidget
from taurus.qt.qtgui.container import TaurusWidget
from taurus.qt.qtgui.container import TaurusFrame
from taurus.qt.qtgui.display import TaurusLabel
from taurus.qt.qtgui.input import TaurusValueLineEdit
from taurus.qt.qtgui.input import TaurusValueSpinBox
from taurus.qt.qtgui.panel import DefaultLabelWidget
from taurus.qt.qtgui.panel import DefaultUnitsWidget
from taurus.qt.qtgui.panel import TaurusValue, TaurusAttrForm
from taurus.qt.qtcore.mimetypes import TAURUS_DEV_MIME_TYPE, TAURUS_ATTR_MIME_TYPE
from taurus.qt.qtgui.resource import getIcon
from taurus.qt.qtgui.util.ui import UILoadable
class LimitsListener(Qt.QObject):
"""
A class that listens to changes on motor limits.
If that is the case it emits a signal so the application
can do whatever with it.
"""
def __init__(self):
Qt.QObject.__init__(self)
def eventReceived(self, evt_src, evt_type, evt_value):
if evt_type not in [TaurusEventType.Change, TaurusEventType.Periodic]:
return
limits = evt_value.value
self.emit(Qt.SIGNAL('updateLimits(PyQt_PyObject)'), limits.tolist())
class PoolMotorClient():
maxint_in_32_bits = 2147483647
def __init__(self):
self.motor_dev = None
self.has_limits = False
self.has_encoder = False
def setMotor(self, pool_motor_dev_name):
# AT SOME POINT THIS WILL BE USING THE 'POOL' TAURUS EXTENSION
# TO OPERATE THE MOTOR INSTEAD OF A 'TANGO' TAURUSDEVICE
try:
self.motor_dev = taurus.Device(pool_motor_dev_name)
# IT IS IMPORTANT TO KNOW IF IT IS AN ICEPAP MOTOR, SO EXTRA FEATURES CAN BE PROVIDED
# PENDING.
self.has_limits = hasattr(self.motor_dev, 'Limit_Switches')
self.has_encoder = hasattr(self.motor_dev, 'Encoder')
except Exception, e:
taurus.warning('Exception Creating Motor Device %s', str(e))
def moveMotor(self, pos):
#self.motor_dev['position'] = pos
# Make use of Taurus operations (being logged)
self.motor_dev.getAttribute('Position').write(pos)
def moveInc(self, inc):
self.moveMotor(self.motor_dev['position'].value + inc)
def jogNeg(self):
neg_limit = -((self.maxint_in_32_bits / 2) - 1)
# THERE IS A BUG IN THE ICEPAP THAT DOES NOT ALLOW MOVE ABSOLUTE FURTHER THAN 32 BIT
# SO IF THERE ARE STEPS PER UNIT, max_int HAS TO BE REDUCED
if hasattr(self.motor_dev, 'step_per_unit'):
neg_limit = neg_limit / self.motor_dev['step_per_unit'].value
try:
min_value = self.motor_dev.getAttribute('Position').getConfig().getValueObj().min_value
neg_limit = float(min_value)
except Exception:
pass
self.moveMotor(neg_limit)
def jogPos(self):
pos_limit = (self.maxint_in_32_bits / 2) - 1
# THERE IS A BUG IN THE ICEPAP THAT DOES NOT ALLOW MOVE ABSOLUTE FURTHER THAN 32 BIT
# SO IF THERE ARE STEPS PER UNIT, max_int HAS TO BE REDUCED
if hasattr(self.motor_dev, 'step_per_unit'):
pos_limit = pos_limit / self.motor_dev['step_per_unit'].value
try:
max_value = self.motor_dev.getAttribute('Position').getConfig().getValueObj().max_value
pos_limit = float(max_value)
except Exception:
pass
self.moveMotor(pos_limit)
def goHome(self):
pass
def abort(self):
self.motor_dev.abort()
class LabelWidgetDragsDeviceAndAttribute(DefaultLabelWidget):
""" Offer richer mime data with taurus-device, taurus-attribute, and plain-text. """
def mouseMoveEvent(self, event):
model = self.taurusValueBuddy().getModelName()
mimeData = Qt.QMimeData()
mimeData.setText(self.text())
attr_name = model
dev_name = model.rpartition('/')[0]
mimeData.setData(TAURUS_DEV_MIME_TYPE, dev_name)
mimeData.setData(TAURUS_ATTR_MIME_TYPE, attr_name)
drag = Qt.QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(event.pos() - self.rect().topLeft())
drag.start(Qt.Qt.CopyAction)
class PoolMotorConfigurationForm(TaurusAttrForm):
def __init__(self, parent=None, designMode=False):
TaurusAttrForm.__init__(self, parent, designMode)
self._form.setWithButtons(False)
def getMotorControllerType(self):
modelObj = self.getModelObj()
modelNormalName = modelObj.getNormalName()
poolDsId = modelObj.getHWObj().info().server_id
db = taurus.Database()
pool_devices = tuple(db.get_device_class_list(poolDsId).value_string)
pool_dev_name = pool_devices[pool_devices.index('Pool') - 1]
pool = taurus.Device(pool_dev_name)
poolMotorInfos = pool["MotorList"].value
for motorInfo in poolMotorInfos:
# BE CAREFUL, THIS ONLY WORKS IF NOBODY CHANGES THE DEVICE NAME OF A MOTOR!!!
# ALSO THERE COULD BE A CASE PROBLEM, BETTER DO COMPARISONS WITH .lower()
#to better understand following actions
#this is an example of one motor info record
#'dummymotor10 (motor/dummymotorctrl/10) (dummymotorctrl/10) Motor',
motorInfos = motorInfo.split()
if modelNormalName.lower() == motorInfos[1][1:-1].lower():
controllerName = motorInfos[2][1:-1].split("/")[0]
poolControllerInfos = pool["ControllerList"].value
for controllerInfo in poolControllerInfos:
#to better understand following actions
#this is an example of one controller info record
#'dummymotorctrl (DummyMotorController.DummyMotorController/dummymotorctrl) - Motor Python ctrl (DummyMotorController.py)'
controllerInfos = controllerInfo.split()
if controllerName.lower() == controllerInfos[0].lower():
controllerType = controllerInfos[1][1:-1].split("/")[0]
return controllerType
def getDisplayAttributes(self, controllerType):
attributes = ['position',
'state',
'status',
'velocity',
'acceleration',
'base_rate',
'step_per_unit',
'dialposition',
'sign',
'offset',
'backlash']
if controllerType == "IcePAPCtrl.IcepapController":
attributes.insert(1, "encoder")
attributes.extend(['frequency',
'poweron',
'closedloop',
'useencodersource',
'encodersource',
'encodersourceformula',
'statusstopcode',
'statusdisable',
'statusready',
'statuslim-',
'statuslim+',
'statushome'])
elif controllerType == "PmacCtrl.PmacController":
attributes.extend(["motoractivated",
"negativeendlimitset",
"positiveendlimitset",
"handwheelenabled",
"phasedmotor",
"openloopmode",
"runningdefine-timemove",
"integrationmode",
"dwellinprogress",
"datablockerror",
"desiredvelocityzero",
"abortdeceleration",
"blockrequest",
"homesearchinprogress",
"assignedtocoordinatesystem",
"coordinatesystem",
"amplifierenabled",
"stoppedonpositionlimit",
"homecomplete",
"phasingsearcherror",
"triggermove",
"integratedfatalfollowingerror",
"i2t_amplifierfaulterror",
"backlashdirectionflag",
"amplifierfaulterror",
"fatalfollowingerror",
"warningfollowingerror",
"inposition",
"motionprogramrunning"])
elif controllerType == "TurboPmacCtrl.TurboPmacController":
attributes.extend(["motoractivated",
"negativeendlimitset",
"positiveendlimitset",
"extendedservoalgorithmenabled"
"amplifierenabled",
"openloopmode",
"movetimeractive",
"integrationmode",
"dwellinprogress",
"datablockerror",
"desiredvelocityzero",
"abortdeceleration",
"blockrequest",
"homesearchinprogress",
"user-writtenphaseenable",
"user-writtenservoenable",
"alternatesource/destination",
"phasedmotor",
"followingoffsetmode",
"followingenabled",
"errortriger",
"softwarepositioncapture",
"integratorinvelocityloop",
"alternatecommand-outputmode",
"coordinatesystem",
"coordinatedefinition",
"assignedtocoordinatesystem",
"foregroundinposition",
"stoppedondesiredpositionlimit",
"stoppedonpositionlimit",
"homecomplete",
"phasing_search/read_active",
"triggermove",
"integratedfatalfollowingerror",
"i2t_amplifierfaulterror",
"backlashdirectionflag",
"amplifierfaulterror",
"fatalfollowingerror",
"warningfollowingerror",
"inposition"])
return attributes
def setModel(self, modelName):
TaurusAttrForm.setModel(self, modelName)
controllerType = self.getMotorControllerType()
attributes = self.getDisplayAttributes(controllerType)
#self.setViewFilters([lambda a: a.name.lower() in attributes])
self.setSortKey(lambda att: attributes.index(att.name.lower()) if att.name.lower() in attributes else 1)
@UILoadable(with_ui='ui')
class PoolMotorSlim(TaurusWidget, PoolMotorClient):
__pyqtSignals__ = ("modelChanged(const QString &)",)
def __init__(self, parent=None, designMode=False):
TaurusWidget.__init__(self, parent)
#self.call__init__wo_kw(Qt.QWidget, parent)
#self.call__init__(TaurusBaseWidget, str(self.objectName()), designMode=designMode)
PoolMotorClient.__init__(self)
self.loadUi()
self.show_context_menu = True
self.setAcceptDrops(True)
if designMode:
self.__setTaurusIcons()
return
# CREATE THE TaurusValue that can not be configured in the Designer
self.taurus_value = TaurusValue(self.ui.taurusValueContainer)
# Use a DragDevAndAttributeLabelWidget to provide a richer QMimeData content
self.taurus_value.setLabelWidgetClass(LabelWidgetDragsDeviceAndAttribute)
# Make the label to be the device alias
self.taurus_value.setLabelConfig('dev_alias')
self.taurus_value_enc = TaurusValue(self.ui.taurusValueContainer)
# THIS WILL BE DONE IN THE DESIGNER
# Config Button will launch a PoolMotorConfigurationForm
# 19.08.2011 after discussion between cpascual, gcui and zreszela, Configuration Panel was rolled back to
# standard TaurusAttrForm - list of all attributes alphabetically ordered
# taurus_attr_form = PoolMotorConfigurationForm()
taurus_attr_form = TaurusAttrForm()
taurus_attr_form.setMinimumSize(Qt.QSize(470, 800))
self.ui.btnCfg.setWidget(taurus_attr_form)
self.ui.btnCfg.setUseParentModel(True)
# ADD AN EVENT FILTER FOR THE STATUS LABEL IN ORDER TO PROVIDE JUST THE STRING FROM THE CONTROLLER (LAST LINE)
def just_ctrl_status_line(evt_src, evt_type, evt_value):
if evt_type not in [TaurusEventType.Change, TaurusEventType.Periodic]:
return evt_src, evt_type, evt_value
try:
status = evt_value.value
last_line = status.split('\n')[-1]
new_evt_value = PyTango.DeviceAttribute(evt_value)
new_evt_value.value = last_line
return evt_src, evt_type, new_evt_value
except:
return evt_src, evt_type, evt_value
self.ui.lblStatus.insertEventFilter(just_ctrl_status_line)
# These buttons are just for showing if the limit is active or not
self.ui.btnMin.setEnabled(False)
self.ui.btnMax.setEnabled(False)
# HOMING NOT IMPLMENTED YET
self.ui.btnHome.setEnabled(False)
# DEFAULT VISIBLE COMPONENTS
self.toggleHideAll()
self.toggleMoveAbsolute(True)
self.toggleStopMove(True)
# SET TAURUS ICONS
self.__setTaurusIcons()
self.ui.motorGroupBox.setContextMenuPolicy(Qt.Qt.CustomContextMenu)
self.connect(self.ui.motorGroupBox, Qt.SIGNAL('customContextMenuRequested(QPoint)'), self.buildContextMenu)
self.connect(self.ui.btnGoToNeg, Qt.SIGNAL('clicked()'), self.jogNeg)
self.connect(self.ui.btnGoToNegPress, Qt.SIGNAL('pressed()'), self.jogNeg)
self.connect(self.ui.btnGoToNegPress, Qt.SIGNAL('released()'), self.abort)
self.connect(self.ui.btnGoToNegInc, Qt.SIGNAL('clicked()'), self.goToNegInc)
self.connect(self.ui.btnGoToPos, Qt.SIGNAL('clicked()'), self.jogPos)
self.connect(self.ui.btnGoToPosPress, Qt.SIGNAL('pressed()'), self.jogPos)
self.connect(self.ui.btnGoToPosPress, Qt.SIGNAL('released()'), self.abort)
self.connect(self.ui.btnGoToPosInc, Qt.SIGNAL('clicked()'), self.goToPosInc)
self.connect(self.ui.btnHome, Qt.SIGNAL('clicked()'), self.goHome)
self.connect(self.ui.btnStop, Qt.SIGNAL('clicked()'), self.abort)
# ALSO UPDATE THE WIDGETS EVERYTIME THE FORM HAS TO BE SHOWN
self.connect(self.ui.btnCfg, Qt.SIGNAL('clicked()'), taurus_attr_form._updateAttrWidgets)
self.connect(self.ui.btnCfg, Qt.SIGNAL('clicked()'), self.buildBetterCfgDialogTitle)
#################################################################################################################
########################################
# LET TAURUS CONFIGURATION MECANISM SHINE!
########################################
self.registerConfigProperty(self.ui.inc.isVisible, self.toggleMoveRelative, 'MoveRelative')
self.registerConfigProperty(self.ui.btnGoToNegPress.isVisible, self.toggleMoveContinuous, 'MoveContinuous')
self.registerConfigProperty(self.ui.btnGoToNeg.isVisible, self.toggleMoveToLimits, 'MoveToLimits')
self.registerConfigProperty(self.ui.btnStop.isVisible, self.toggleStopMove, 'StopMove')
self.registerConfigProperty(self.ui.btnHome.isVisible, self.toggleHoming, 'Homing')
self.registerConfigProperty(self.ui.btnCfg.isVisible, self.toggleConfig, 'Config')
self.registerConfigProperty(self.ui.lblStatus.isVisible, self.toggleStatus, 'Status')
#################################################################################################################
def __setTaurusIcons(self):
self.ui.btnMin.setText('')
self.ui.btnMin.setIcon(getIcon(':/actions/list-remove.svg'))
self.ui.btnMax.setText('')
self.ui.btnMax.setIcon(getIcon(':/actions/list-add.svg'))
self.ui.btnGoToNeg.setText('')
self.ui.btnGoToNeg.setIcon(getIcon(':/actions/media_skip_backward.svg'))
self.ui.btnGoToNegPress.setText('')
self.ui.btnGoToNegPress.setIcon(getIcon(':/actions/media_seek_backward.svg'))
self.ui.btnGoToNegInc.setText('')
self.ui.btnGoToNegInc.setIcon(getIcon(':/actions/media_playback_backward.svg'))
self.ui.btnGoToPos.setText('')
self.ui.btnGoToPos.setIcon(getIcon(':/actions/media_skip_forward.svg'))
self.ui.btnGoToPosPress.setText('')
self.ui.btnGoToPosPress.setIcon(getIcon(':/actions/media_seek_forward.svg'))
self.ui.btnGoToPosInc.setText('')
self.ui.btnGoToPosInc.setIcon(getIcon(':/actions/media_playback_start.svg'))
self.ui.btnStop.setText('')
self.ui.btnStop.setIcon(getIcon(':/actions/media_playback_stop.svg'))
self.ui.btnHome.setText('')
self.ui.btnHome.setIcon(getIcon(':/actions/go-home.svg'))
self.ui.btnCfg.setText('')
self.ui.btnCfg.setIcon(getIcon(':/categories/preferences-system.svg'))
#################################################################################################################
#@Qt.pyqtSlot(list)
def updateLimits(self, limits):
if isinstance(limits, dict): limits = limits["limits"]
pos_lim = limits[1]
pos_btnstylesheet = ''
enabled = True
if pos_lim:
pos_btnstylesheet = 'QPushButton{%s}' % DEVICE_STATE_PALETTE.qtStyleSheet(PyTango.DevState.ALARM)
enabled = False
self.ui.btnMax.setStyleSheet(pos_btnstylesheet)
self.ui.btnGoToPos.setEnabled(enabled)
self.ui.btnGoToPosPress.setEnabled(enabled)
self.ui.btnGoToPosInc.setEnabled(enabled)
neg_lim = limits[2]
neg_btnstylesheet = ''
enabled = True
if neg_lim:
neg_btnstylesheet = 'QPushButton{%s}' % DEVICE_STATE_PALETTE.qtStyleSheet(PyTango.DevState.ALARM)
enabled = False
self.ui.btnMin.setStyleSheet(neg_btnstylesheet)
self.ui.btnGoToNeg.setEnabled(enabled)
self.ui.btnGoToNegPress.setEnabled(enabled)
self.ui.btnGoToNegInc.setEnabled(enabled)
#def sizeHint(self):
# return Qt.QSize(300,30)
def goToNegInc(self):
self.moveInc(-1 * self.ui.inc.value())
def goToPosInc(self):
self.moveInc(self.ui.inc.value())
def buildContextMenu(self, point):
if not self.show_context_menu:
return
menu = Qt.QMenu(self)
action_hide_all = Qt.QAction(self)
action_hide_all.setText('Hide All')
menu.addAction(action_hide_all)
action_show_all = Qt.QAction(self)
action_show_all.setText('Show All')
menu.addAction(action_show_all)
action_move_absolute = Qt.QAction(self)
action_move_absolute.setText('Move Absolute')
action_move_absolute.setCheckable(True)
action_move_absolute.setChecked(self.taurus_value.writeWidget().isVisible())
menu.addAction(action_move_absolute)
action_move_relative = Qt.QAction(self)
action_move_relative.setText('Move Relative')
action_move_relative.setCheckable(True)
action_move_relative.setChecked(self.ui.inc.isVisible())
menu.addAction(action_move_relative)
action_move_continuous = Qt.QAction(self)
action_move_continuous.setText('Move Continuous')
action_move_continuous.setCheckable(True)
action_move_continuous.setChecked(self.ui.btnGoToNegPress.isVisible())
menu.addAction(action_move_continuous)
action_move_to_limits = Qt.QAction(self)
action_move_to_limits.setText('Move to Limits')
action_move_to_limits.setCheckable(True)
action_move_to_limits.setChecked(self.ui.btnGoToNeg.isVisible())
menu.addAction(action_move_to_limits)
action_encoder = Qt.QAction(self)
action_encoder.setText('Encoder Read')
action_encoder.setCheckable(True)
action_encoder.setChecked(self.taurus_value_enc.isVisible())
if self.has_encoder:
menu.addAction(action_encoder)
action_stop_move = Qt.QAction(self)
action_stop_move.setText('Stop Movement')
action_stop_move.setCheckable(True)
action_stop_move.setChecked(self.ui.btnStop.isVisible())
menu.addAction(action_stop_move)
action_homing = Qt.QAction(self)
action_homing.setText('Homing')
action_homing.setCheckable(True)
action_homing.setChecked(self.ui.btnHome.isVisible())
menu.addAction(action_homing)
action_config = Qt.QAction(self)
action_config.setText('Config')
action_config.setCheckable(True)
action_config.setChecked(self.ui.btnCfg.isVisible())
menu.addAction(action_config)
action_status = Qt.QAction(self)
action_status.setText('Status')
action_status.setCheckable(True)
action_status.setChecked(self.ui.lblStatus.isVisible())
menu.addAction(action_status)
self.connect(action_hide_all, Qt.SIGNAL('triggered()'), self.toggleHideAll)
self.connect(action_show_all, Qt.SIGNAL('triggered()'), self.toggleShowAll)
self.connect(action_move_absolute, Qt.SIGNAL('toggled(bool)'), self.toggleMoveAbsolute)
self.connect(action_move_relative, Qt.SIGNAL('toggled(bool)'), self.toggleMoveRelative)
self.connect(action_move_continuous, Qt.SIGNAL('toggled(bool)'), self.toggleMoveContinuous)
self.connect(action_move_to_limits, Qt.SIGNAL('toggled(bool)'), self.toggleMoveToLimits)
self.connect(action_encoder, Qt.SIGNAL('toggled(bool)'), self.toggleEncoder)
self.connect(action_stop_move, Qt.SIGNAL('toggled(bool)'), self.toggleStopMove)
self.connect(action_homing, Qt.SIGNAL('toggled(bool)'), self.toggleHoming)
self.connect(action_config, Qt.SIGNAL('toggled(bool)'), self.toggleConfig)
self.connect(action_status, Qt.SIGNAL('toggled(bool)'), self.toggleStatus)
menu.popup(self.cursor().pos())
def toggleHideAll(self):
self.toggleAll(False)
def toggleShowAll(self):
self.toggleAll(True)
def toggleAll(self, visible):
self.toggleMoveAbsolute(visible)
self.toggleMoveRelative(visible)
self.toggleMoveContinuous(visible)
self.toggleMoveToLimits(visible)
self.toggleEncoder(visible)
self.toggleStopMove(visible)
self.toggleHoming(visible)
self.toggleConfig(visible)
self.toggleStatus(visible)
def toggleMoveAbsolute(self, visible):
if self.taurus_value.writeWidget() is not None:
self.taurus_value.writeWidget().setVisible(visible)
def toggleMoveRelative(self, visible):
self.ui.btnGoToNegInc.setVisible(visible)
self.ui.inc.setVisible(visible)
self.ui.btnGoToPosInc.setVisible(visible)
def toggleMoveContinuous(self, visible):
self.ui.btnGoToNegPress.setVisible(visible)
self.ui.btnGoToPosPress.setVisible(visible)
def toggleMoveToLimits(self, visible):
self.ui.btnGoToNeg.setVisible(visible)
self.ui.btnGoToPos.setVisible(visible)
def toggleEncoder(self, visible):
self.taurus_value_enc.setVisible(visible)
def toggleStopMove(self, visible):
self.ui.btnStop.setVisible(visible)
def toggleHoming(self, visible):
self.ui.btnHome.setVisible(visible)
def toggleConfig(self, visible):
self.ui.btnCfg.setVisible(visible)
def toggleStatus(self, visible):
self.ui.lblStatus.setVisible(visible)
def dragEnterEvent(self, event):
event.accept()
def dropEvent(self, event):
mimeData = event.mimeData()
if mimeData.hasFormat(TAURUS_DEV_MIME_TYPE):
model = str(mimeData.data(TAURUS_DEV_MIME_TYPE))
elif mimeData.hasFormat(TAURUS_ATTR_MIME_TYPE):
model = str(mimeData.data(TAURUS_ATTR_MIME_TYPE))
else:
model = str(mimeData.text())
self.setModel(model)
def keyPressEvent(self, key_event):
if key_event.key() == Qt.Qt.Key_Escape:
self.abort()
key_event.accept()
TaurusWidget.keyPressEvent(self, key_event)
def buildBetterCfgDialogTitle(self):
while self.ui.btnCfg._dialog is None:
pass
model = self.getModel()
self.ui.btnCfg._dialog.setWindowTitle('%s config' % taurus.Factory().getDevice(model).getSimpleName())
@classmethod
def getQtDesignerPluginInfo(cls):
ret = TaurusWidget.getQtDesignerPluginInfo()
ret['module'] = 'taurus.qt.qtgui.extra_pool'
ret['group'] = 'Taurus Sardana'
ret['icon'] = ':/designer/extra_motor.png'
ret['container'] = False
return ret
def showEvent(self, event):
TaurusWidget.showEvent(self, event)
try:
self.motor_dev.getAttribute('Position').enablePolling(force=True)
except AttributeError, e:
self.debug('Error in showEvent: %s', repr(e))
def hideEvent(self, event):
TaurusWidget.hideEvent(self, event)
try:
self.motor_dev.getAttribute('Position').disablePolling()
except AttributeError, e:
self.debug('Error in hideEvent: %s', repr(e))
#-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
# QT properties
#-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
@Qt.pyqtSignature("getModel()")
def getModel(self):
return self.ui.motorGroupBox.getModel()
@Qt.pyqtSignature("setModel(QString)")
def setModel(self, model):
# DUE TO A BUG IN TAUGROUPBOX, WE NEED THE FULL MODEL NAME
try:
# In case the model is an attribute of a motor, get the device name
if not DeviceNameValidator().isValid(model):
model = model.rpartition('/')[0]
model = taurus.Factory().getDevice(model).getFullName()
self.setMotor(model)
self.ui.motorGroupBox.setModel(model)
self.ui.motorGroupBox.setEnabled(True)
self.taurus_value.setModel(model + '/Position')
# DUE TO A BUG IN TAURUSVALUE, THAT DO NOT USE PARENT MODEL WE NEED TO ALWAYS SET THE MODEL
self.taurus_value.setUseParentModel(False)
# THE FORCED APPLY HAS TO BE DONE AFTER THE MODEL IS SET, SO THE WRITEWIDGET IS AVAILABLE
if self.taurus_value.writeWidget() is not None:
self.taurus_value.writeWidget().setForcedApply(True)
show_enc = self.taurus_value_enc.isVisible()
if self.has_encoder:
self.taurus_value_enc.setModel(model + '/Encoder')
self.taurus_value_enc.setUseParentModel(False)
self.taurus_value_enc.readWidget().setBgRole('none')
else:
self.taurus_value_enc.setModel(None)
show_enc = False
if not show_enc:
self.toggleEncoder(False)
try:
self.unregisterConfigurableItem('MoveAbsolute')
self.unregisterConfigurableItem('Encoder')
except:
pass
self.registerConfigProperty(self.taurus_value.writeWidget().isVisible, self.toggleMoveAbsolute, 'MoveAbsolute')
self.registerConfigProperty(self.taurus_value_enc.isVisible, self.toggleEncoder, 'Encoder')
# SINCE TAURUSLAUNCHERBUTTON HAS NOT THIS PROPERTY IN THE
# DESIGNER, WE MUST SET IT HERE
self.ui.btnCfg.setUseParentModel(True)
# CONFIGURE A LISTENER IN ORDER TO UPDATE LIMIT SWITCHES STATES
self.limits_listener = LimitsListener()
self.connect(self.limits_listener, Qt.SIGNAL('updateLimits(PyQt_PyObject)'), self.updateLimits)
limits_visible = False
if self.has_limits:
limits_attribute = self.motor_dev.getAttribute('Limit_switches')
limits_attribute.addListener(self.limits_listener)
#self.updateLimits(limits_attribute.read().value)
limits_visible = True
self.ui.btnMin.setVisible(limits_visible)
self.ui.btnMax.setVisible(limits_visible)
except Exception, e:
self.ui.motorGroupBox.setEnabled(False)
self.info('Error setting model "%s". Reason: %s' % (model, repr(e)))
self.traceback()
@Qt.pyqtSignature("resetModel()")
def resetModel(self):
self.ui.motorGroupBox.resetModel()
@Qt.pyqtSignature("getShowContextMenu()")
def getShowContextMenu(self):
return self.show_context_menu
@Qt.pyqtSignature("setShowContextMenu(bool)")
def setShowContextMenu(self, showContextMenu):
self.show_context_menu = showContextMenu
@Qt.pyqtSignature("resetShowContextMenu()")
def resetShowContextMenu(self):
self.show_context_menu = True
@Qt.pyqtSignature("getStepSize()")
def getStepSize(self):
return self.ui.inc.value()
@Qt.pyqtSignature("setStepSize(double)")
def setStepSize(self, stepSize):
self.ui.inc.setValue(stepSize)
@Qt.pyqtSignature("resetStepSize()")
def resetStepSize(self):
self.setStepSize(1)
@Qt.pyqtSignature("getStepSizeIncrement()")
def getStepSizeIncrement(self):
return self.ui.inc.singleStep()
@Qt.pyqtSignature("setStepSizeIncrement(double)")
def setStepSizeIncrement(self, stepSizeIncrement):
self.ui.inc.setSingleStep(stepSizeIncrement)
@Qt.pyqtSignature("resetStepSizeIncrement()")
def resetStepSizeIncrement(self):
self.setStepSizeIncrement(1)
model = Qt.pyqtProperty("QString", getModel, setModel, resetModel)
stepSize = Qt.pyqtProperty("double", getStepSize, setStepSize, resetStepSize)
stepSizeIncrement = Qt.pyqtProperty("double", getStepSizeIncrement, setStepSizeIncrement, resetStepSizeIncrement)
################################################################################################
# NEW APPROACH TO OPERATE POOL MOTORS FROM A TAURUS FORM INHERITTING DIRECTLY FROM TaurusVALUE #
# AND USING PARTICULAR CLASSES THAT KNOW THEY ARE PART OF A TAURUSVALUE AND CAN INTERACT #
################################################################################################
class TaurusAttributeListener(Qt.QObject):
"""
A class that recieves events on tango attribute changes.
If that is the case it emits a signal with the event's value.
"""
def __init__(self):
Qt.QObject.__init__(self)
def eventReceived(self, evt_src, evt_type, evt_value):
if evt_type not in [TaurusEventType.Change, TaurusEventType.Periodic]:
return
value = evt_value.value
self.emit(Qt.SIGNAL('eventReceived'), value)
##################################################
# LABEL WIDGET #
##################################################
class PoolMotorTVLabelWidget(TaurusWidget):
'''
@TODO tooltip should be extended with status info
@TODO context menu should be the lbl_alias extended
@TODO default tooltip extended with the complete (multiline) status
@TODO rightclick popup menu with actions: (1) switch user/expert view, (2) Config -all attributes-, (3) change motor
For the (3), a drop event should accept if it is a device, and add it to the 'change-motor' list and select
@TODO on the 'expert' row, it could be an ENABLE section with a button to set PowerOn to True/False
'''
layoutAlignment = Qt.Qt.AlignTop
def __init__(self, parent=None, designMode=False):
TaurusWidget.__init__(self, parent, designMode)
self.setLayout(Qt.QGridLayout())
self.layout().setMargin(0)
self.layout().setSpacing(0)
self.lbl_alias = DefaultLabelWidget(parent, designMode)
self.lbl_alias.setBgRole('none')
self.layout().addWidget(self.lbl_alias)
self.btn_poweron = Qt.QPushButton()
self.btn_poweron.setText('Set ON')
self.layout().addWidget(self.btn_poweron)
# Align everything on top
self.layout().addItem(Qt.QSpacerItem(1, 1, Qt.QSizePolicy.Minimum, Qt.QSizePolicy.Expanding))
# I don't like this approach, there should be something like
# self.lbl_alias.addAction(...)
self.lbl_alias.contextMenuEvent = lambda(event): self.contextMenuEvent(event)
# I' don't like this approach, there should be something like
# self.lbl_alias.addToolTipCallback(self.calculate_extra_tooltip)
self.lbl_alias.getFormatedToolTip = self.calculateExtendedTooltip
# I' don't like this approach, there should be something like
# self.lbl_alias.disableDrag() or self.lbl_alias.setDragEnabled(False)
# or better, define if Attribute or Device or Both have to be included in the mimeData
self.lbl_alias.mouseMoveEvent = self.mouseMoveEvent
def setExpertView(self, expertView):
btn_poweron_visible = expertView and self.taurusValueBuddy().hasPowerOn()
self.btn_poweron.setVisible(btn_poweron_visible)
@ProtectTaurusMessageBox(msg='An error occurred trying to write PowerOn Attribute.')
def setPowerOn(self):
motor_dev = self.taurusValueBuddy().motor_dev
if motor_dev is not None:
poweron = (self.btn_poweron.text() == 'Set ON')
motor_dev.getAttribute('PowerOn').write(poweron)
def setModel(self, model):
# Handle User/Expert view
self.disconnect(self.taurusValueBuddy(), Qt.SIGNAL('expertViewChanged(bool)'), self.setExpertView)
self.disconnect(self.btn_poweron, Qt.SIGNAL('clicked()'), self.setPowerOn)
if model in (None, ''):
self.lbl_alias.setModel(model)
TaurusWidget.setModel(self, model)
return
self.lbl_alias.taurusValueBuddy = self.taurusValueBuddy
self.lbl_alias.setModel(model)
TaurusWidget.setModel(self, model + '/Status')
self.connect(self.taurusValueBuddy(), Qt.SIGNAL('expertViewChanged(bool)'), self.setExpertView)
# Handle Power ON/OFF
self.connect(self.btn_poweron, Qt.SIGNAL('clicked()'), self.setPowerOn)
self.setExpertView(self.taurusValueBuddy()._expertView)
def calculateExtendedTooltip(self, cache=False):
default_label_widget_tooltip = DefaultLabelWidget.getFormatedToolTip(self.lbl_alias, cache)
status_info = ''
motor_dev = self.taurusValueBuddy().motor_dev
if motor_dev is not None:
status = motor_dev.getAttribute('Status').read().value
# MAKE IT LOOK LIKE THE STANDARD TABLE FOR TAURUS TOOLTIPS
status_lines = status.split('\n')
status_info = '<TABLE width="500" border="0" cellpadding="1" cellspacing="0"><TR><TD WIDTH="80" ALIGN="RIGHT" VALIGN="MIDDLE"><B>Status:</B></TD><TD>' + status_lines[0] + '</TD></TR>'
for status_extra_line in status_lines[1:]:
status_info += '<TR><TD></TD><TD>' + status_extra_line + '</TD></TR>'
status_info += '</TABLE>'
return default_label_widget_tooltip + status_info
def contextMenuEvent(self, event):
# Overwrite the default taurus label behaviour
menu = Qt.QMenu(self)
action_expert_view = Qt.QAction(self)
action_expert_view.setText('Expert View')
action_expert_view.setCheckable(True)
action_expert_view.setChecked(self.taurusValueBuddy()._expertView)
menu.addAction(action_expert_view)
self.connect(action_expert_view, Qt.SIGNAL('toggled(bool)'), self.taurusValueBuddy().setExpertView)
action_tango_attributes = Qt.QAction(self)
action_tango_attributes.setIcon(getIcon(':/categories/preferences-system.svg'))
action_tango_attributes.setText('Tango Attributes')
menu.addAction(action_tango_attributes)
self.connect(action_tango_attributes, Qt.SIGNAL('triggered()'), self.taurusValueBuddy().showTangoAttributes)
cm_action = menu.addAction("Compact")
cm_action.setCheckable(True)
cm_action.setChecked(self.taurusValueBuddy().isCompact())
self.connect(cm_action, Qt.SIGNAL("toggled(bool)"), self.taurusValueBuddy().setCompact)
menu.exec_(event.globalPos())
event.accept()
def mouseMoveEvent(self, event):
model = self.lbl_alias.getModelName()
mimeData = Qt.QMimeData()
mimeData.setText(self.lbl_alias.text())
dev_name = model.rpartition('/')[0]
attr_name = dev_name + '/Position'
mimeData.setData(TAURUS_DEV_MIME_TYPE, dev_name)
mimeData.setData(TAURUS_ATTR_MIME_TYPE, attr_name)
drag = Qt.QDrag(self)
drag.setMimeData(mimeData)
drag.setHotSpot(event.pos() - self.rect().topLeft())
drag.start(Qt.Qt.CopyAction)
##################################################
# READ WIDGET #
##################################################
class PoolMotorTVReadWidget(TaurusWidget):
'''
@TODO on the 'expert' row, there should be an Indexer/Encoder radiobuttongroup to show units from raw dial/indx/enc
@TODO TaurusLCD may be used but, now it does not display the sign, and color is WHITE...
'''
layoutAlignment = Qt.Qt.AlignTop
def __init__(self, parent=None, designMode=False):
TaurusWidget.__init__(self, parent, designMode)
self.setLayout(Qt.QGridLayout())
self.layout().setMargin(0)
self.layout().setSpacing(0)
limits_layout = Qt.QHBoxLayout()
limits_layout.setMargin(0)
limits_layout.setSpacing(0)
self.btn_lim_neg = Qt.QPushButton()
self.btn_lim_neg.setToolTip('Negative Limit')
#self.btn_lim_neg.setEnabled(False)
self.prepare_button(self.btn_lim_neg)
self.btn_lim_neg.setIcon(getIcon(':/actions/list-remove.svg'))
limits_layout.addWidget(self.btn_lim_neg)
self.btn_lim_pos = Qt.QPushButton()
self.btn_lim_pos.setToolTip('Positive Limit')
#self.btn_lim_pos.setEnabled(False)
self.prepare_button(self.btn_lim_pos)
self.btn_lim_pos.setIcon(getIcon(':/actions/list-add.svg'))
limits_layout.addWidget(self.btn_lim_pos)
self.layout().addLayout(limits_layout, 0, 0)
self.lbl_read = TaurusLabel()
self.lbl_read.setBgRole('quality')
self.lbl_read.setSizePolicy(Qt.QSizePolicy(Qt.QSizePolicy.Expanding, Qt.QSizePolicy.Fixed))
self.layout().addWidget(self.lbl_read, 0, 1)
# WITH A COMPACT VIEW, BETTER TO BE ABLE TO STOP!
self.btn_stop = Qt.QPushButton()
self.btn_stop.setToolTip('Stops the motor')
self.prepare_button(self.btn_stop)
self.btn_stop.setIcon(getIcon(':/actions/media_playback_stop.svg'))
self.layout().addWidget(self.btn_stop, 0, 2)
self.connect(self.btn_stop, Qt.SIGNAL('clicked()'), self.abort)
# WITH COMPACT VIEW, WE NEED TO FORWARD DOUBLE CLICK EVENT
self.lbl_read.installEventFilter(self)
## @TODO right now, no options here...
#self.cb_expertRead = Qt.QComboBox()
#self.cb_expertRead.addItems(['Enc'])
#self.layout().addWidget(self.cb_expertRead, 1, 0)
self.lbl_enc = Qt.QLabel('Encoder')
self.layout().addWidget(self.lbl_enc, 1, 0)
self.lbl_enc_read = TaurusLabel()
self.lbl_enc_read.setBgRole('none')
self.lbl_enc_read.setSizePolicy(Qt.QSizePolicy(Qt.QSizePolicy.Expanding, Qt.QSizePolicy.Fixed))
self.layout().addWidget(self.lbl_enc_read, 1, 1)
# Align everything on top
self.layout().addItem(Qt.QSpacerItem(1, 1, Qt.QSizePolicy.Minimum, Qt.QSizePolicy.Expanding), 2, 0, 1, 2)
# IN ORDER TO BEHAVE AS EXPECTED REGARDING THE 'COMPACT VIEW' FEATURE
# WE NEED TO SET THE 'EXPERTVIEW' WITHOUT ACCESSING THE taurusValueBuddy WHICH IS STILL NOT LINKED
# SO WE ASSUME 'expertview is FALSE' AND WE HAVE TO AVOID self.setExpertView :-(
# WOULD BE NICE THAT THE taurusValueBuddy COULD EMIT THE PROPER SIGNAL...
self.lbl_enc.setVisible(False)
self.lbl_enc_read.setVisible(False)
def eventFilter(self, obj, event):
if event.type() == Qt.QEvent.MouseButtonDblClick:
if isinstance(self.parent(), TaurusReadWriteSwitcher):
self.parent().enterEdit()
return True
try:
if obj is self.lbl_read:
return self.lbl_read.eventFilter(obj, event)
except AttributeError:
# self.lbl_read may not exist now
pass
return True
@ProtectTaurusMessageBox(msg='An error occurred trying to abort the motion.')
def abort(self):
motor_dev = self.taurusValueBuddy().motor_dev
if motor_dev is not None:
motor_dev.abort()
def setExpertView(self, expertView):
self.lbl_enc.setVisible(False)
self.lbl_enc_read.setVisible(False)
if self.taurusValueBuddy().motor_dev is not None:
hw_limits = self.taurusValueBuddy().hasHwLimits()
self.btn_lim_neg.setEnabled(hw_limits)
self.btn_lim_pos.setEnabled(hw_limits)
if expertView and self.taurusValueBuddy().motor_dev is not None:
encoder = self.taurusValueBuddy().hasEncoder()
self.lbl_enc.setVisible(encoder)
self.lbl_enc_read.setVisible(encoder)
def prepare_button(self, btn):
btn_policy = Qt.QSizePolicy(Qt.QSizePolicy.Fixed, Qt.QSizePolicy.Fixed)
btn_policy.setHorizontalStretch(0)
btn_policy.setVerticalStretch(0)
btn.setSizePolicy(btn_policy)
btn.setMinimumSize(25, 25)
btn.setMaximumSize(25, 25)
btn.setText('')
def setModel(self, model):
if hasattr(self, 'taurusValueBuddy'):
self.disconnect(self.taurusValueBuddy(), Qt.SIGNAL('expertViewChanged(bool)'), self.setExpertView)
if model in (None, ''):
TaurusWidget.setModel(self, model)
self.lbl_read.setModel(model)
self.lbl_enc_read.setModel(model)
return
TaurusWidget.setModel(self, model + '/Position')
self.lbl_read.setModel(model + '/Position')
self.lbl_enc_read.setModel(model + '/Encoder')
# Handle User/Expert view
self.setExpertView(self.taurusValueBuddy()._expertView)
self.connect(self.taurusValueBuddy(), Qt.SIGNAL('expertViewChanged(bool)'), self.setExpertView)
##################################################
# WRITE WIDGET #
##################################################
class PoolMotorTVWriteWidget(TaurusWidget):
layoutAlignment = Qt.Qt.AlignTop
def __init__(self, parent=None, designMode=False):
TaurusWidget.__init__(self, parent, designMode)
self.setLayout(Qt.QGridLayout())
self.layout().setMargin(0)
self.layout().setSpacing(0)
self.le_write_absolute = TaurusValueLineEdit()
self.layout().addWidget(self.le_write_absolute, 0, 0)
self.qw_write_relative = Qt.QWidget()
self.qw_write_relative.setLayout(Qt.QHBoxLayout())
self.qw_write_relative.layout().setMargin(0)
self.qw_write_relative.layout().setSpacing(0)
self.cb_step = Qt.QComboBox()
self.cb_step.setSizePolicy(Qt.QSizePolicy(Qt.QSizePolicy.Expanding, Qt.QSizePolicy.Fixed))
self.cb_step.setEditable(True)
self.cb_step.lineEdit().setValidator(Qt.QDoubleValidator(self))
self.cb_step.lineEdit().setAlignment(Qt.Qt.AlignRight)
self.cb_step.addItem('1')
self.qw_write_relative.layout().addWidget(self.cb_step)
self.btn_step_down = Qt.QPushButton()
self.btn_step_down.setToolTip('Decrements motor position')
self.prepare_button(self.btn_step_down)
self.btn_step_down.setIcon(getIcon(':/actions/media_playback_backward.svg'))
self.qw_write_relative.layout().addWidget(self.btn_step_down)
self.btn_step_up = Qt.QPushButton()
self.btn_step_up.setToolTip('Increments motor position')
self.prepare_button(self.btn_step_up)
self.btn_step_up.setIcon(getIcon(':/actions/media_playback_start.svg'))
self.qw_write_relative.layout().addWidget(self.btn_step_up)
self.layout().addWidget(self.qw_write_relative, 0, 0)
self.cbAbsoluteRelative = Qt.QComboBox()
self.connect(self.cbAbsoluteRelative, Qt.SIGNAL('currentIndexChanged(QString)'), self.cbAbsoluteRelativeChanged)
self.cbAbsoluteRelative.addItems(['Abs', 'Rel'])
self.layout().addWidget(self.cbAbsoluteRelative, 0, 1)
# WITH THE COMPACCT VIEW FEATURE, BETTER TO HAVE IT IN THE READ WIDGET
# WOULD BE BETTER AS AN 'EXTRA WIDGET' (SOME DAY...)
#self.btn_stop = Qt.QPushButton()
#self.btn_stop.setToolTip('Stops the motor')
#self.prepare_button(self.btn_stop)
#self.btn_stop.setIcon(getIcon(':/actions/media_playback_stop.svg'))
#self.layout().addWidget(self.btn_stop, 0, 2)
btns_layout = Qt.QHBoxLayout()
btns_layout.setMargin(0)
btns_layout.setSpacing(0)
btns_layout.addItem(Qt.QSpacerItem(1, 1, Qt.QSizePolicy.Expanding, Qt.QSizePolicy.Minimum))
self.btn_to_neg = Qt.QPushButton()
self.btn_to_neg.setToolTip('Moves the motor towards the Negative Software Limit')
self.prepare_button(self.btn_to_neg)
self.btn_to_neg.setIcon(getIcon(':/actions/media_skip_backward.svg'))
btns_layout.addWidget(self.btn_to_neg)
self.btn_to_neg_press = Qt.QPushButton()
self.btn_to_neg_press.setToolTip('Moves the motor (while pressed) towards the Negative Software Limit')
self.prepare_button(self.btn_to_neg_press)
self.btn_to_neg_press.setIcon(getIcon(':/actions/media_seek_backward.svg'))
btns_layout.addWidget(self.btn_to_neg_press)
self.btn_to_pos_press = Qt.QPushButton()
self.prepare_button(self.btn_to_pos_press)
self.btn_to_pos_press.setToolTip('Moves the motor (while pressed) towards the Positive Software Limit')
self.btn_to_pos_press.setIcon(getIcon(':/actions/media_seek_forward.svg'))
btns_layout.addWidget(self.btn_to_pos_press)
self.btn_to_pos = Qt.QPushButton()
self.btn_to_pos.setToolTip('Moves the motor towards the Positive Software Limit')
self.prepare_button(self.btn_to_pos)
self.btn_to_pos.setIcon(getIcon(':/actions/media_skip_forward.svg'))
btns_layout.addWidget(self.btn_to_pos)
btns_layout.addItem(Qt.QSpacerItem(1, 1, Qt.QSizePolicy.Expanding, Qt.QSizePolicy.Minimum))
self.layout().addLayout(btns_layout, 1, 0, 1, 3)
self.connect(self.btn_step_down, Qt.SIGNAL('clicked()'), self.stepDown)
self.connect(self.btn_step_up, Qt.SIGNAL('clicked()'), self.stepUp)
###self.connect(self.btn_stop, Qt.SIGNAL('clicked()'), self.abort)
self.connect(self.btn_to_neg, Qt.SIGNAL('clicked()'), self.goNegative)
self.connect(self.btn_to_neg_press, Qt.SIGNAL('pressed()'), self.goNegative)
self.connect(self.btn_to_neg_press, Qt.SIGNAL('released()'), self.abort)
self.connect(self.btn_to_pos, Qt.SIGNAL('clicked()'), self.goPositive)
self.connect(self.btn_to_pos_press, Qt.SIGNAL('pressed()'), self.goPositive)
self.connect(self.btn_to_pos_press, Qt.SIGNAL('released()'), self.abort)
# Align everything on top
self.layout().addItem(Qt.QSpacerItem(1, 1, Qt.QSizePolicy.Minimum, Qt.QSizePolicy.Expanding), 2, 0, 1, 3)
# IN ORDER TO BEHAVE AS EXPECTED REGARDING THE 'COMPACT VIEW' FEATURE
# WE NEED TO SET THE 'EXPERTVIEW' WITHOUT ACCESSING THE taurusValueBuddy WHICH IS STILL NOT LINKED
# SO WE ASSUME 'expertview is FALSE' AND WE HAVE TO AVOID self.setExpertView :-(
# WOULD BE NICE THAT THE taurusValueBuddy COULD EMIT THE PROPER SIGNAL...
self.btn_to_neg.setVisible(False)
self.btn_to_neg_press.setVisible(False)
self.btn_to_pos.setVisible(False)
self.btn_to_pos_press.setVisible(False)
# IN EXPERT VIEW, WE HAVE TO FORWARD THE ''editingFinished()' SIGNAL FROM TaurusValueLineEdit TO Switcher
self.connect(self.le_write_absolute, Qt.SIGNAL(TaurusBaseWritableWidget.appliedSignalSignature), self.emitEditingFinished)
self.connect(self.btn_step_down, Qt.SIGNAL("clicked()"), self.emitEditingFinished)
self.connect(self.btn_step_up, Qt.SIGNAL("clicked()"), self.emitEditingFinished)
self.connect(self.btn_to_neg, Qt.SIGNAL("clicked()"), self.emitEditingFinished)
self.connect(self.btn_to_pos, Qt.SIGNAL("clicked()"), self.emitEditingFinished)
# list of widgets used for edition
editingWidgets = (self.le_write_absolute, self.cbAbsoluteRelative,
self.cb_step, self.btn_step_down,
self.btn_step_up, self.btn_to_neg,
self.btn_to_pos, self.btn_to_neg_press,
self.btn_to_pos_press)
for w in editingWidgets:
w.installEventFilter(self)
def eventFilter(self, obj, event):
'''reimplemented to intercept events from the subwidgets'''
try:
if obj in (self.btn_to_neg_press, self.btn_to_pos_press):
if event.type() == Qt.QEvent.MouseButtonRelease:
self.emitEditingFinished()
except AttributeError:
# self.btn_to_neg_press, self.btn_to_pos_press may not exist now
pass
# emit editingFinished when focus out to a non-editing widget
if event.type() == Qt.QEvent.FocusOut:
focused = Qt.qApp.focusWidget()
focusInChild = focused in self.findChildren(focused.__class__)
if not focusInChild:
self.emitEditingFinished()
return False
def cbAbsoluteRelativeChanged(self, abs_rel_option):
abs_visible = abs_rel_option == 'Abs'
rel_visible = abs_rel_option == 'Rel'
self.le_write_absolute.setVisible(abs_visible)
self.qw_write_relative.setVisible(rel_visible)
def stepDown(self):
self.goRelative(-1)
def stepUp(self):
self.goRelative(+1)
@ProtectTaurusMessageBox(msg='An error occurred trying to move the motor.')
def goRelative(self, direction):
motor_dev = self.taurusValueBuddy().motor_dev
if motor_dev is not None:
increment = direction * float(self.cb_step.currentText())
position = float(motor_dev.getAttribute('Position').read().value)
target_position = position + increment
motor_dev.getAttribute('Position').write(target_position)
@ProtectTaurusMessageBox(msg='An error occurred trying to move the motor.')
def goNegative(self):
motor_dev = self.taurusValueBuddy().motor_dev
if motor_dev is not None:
min_value = float(motor_dev.getAttribute('Position').min_value)
motor_dev.getAttribute('Position').write(min_value)
@ProtectTaurusMessageBox(msg='An error occurred trying to move the motor.')
def goPositive(self):
motor_dev = self.taurusValueBuddy().motor_dev
if motor_dev is not None:
max_value = float(motor_dev.getAttribute('Position').max_value)
motor_dev.getAttribute('Position').write(max_value)
@ProtectTaurusMessageBox(msg='An error occurred trying to abort the motion.')
def abort(self):
motor_dev = self.taurusValueBuddy().motor_dev
if motor_dev is not None:
motor_dev.abort()
def prepare_button(self, btn):
btn_policy = Qt.QSizePolicy(Qt.QSizePolicy.Fixed, Qt.QSizePolicy.Fixed)
btn_policy.setHorizontalStretch(0)
btn_policy.setVerticalStretch(0)
btn.setSizePolicy(btn_policy)
btn.setMinimumSize(25, 25)
btn.setMaximumSize(25, 25)
btn.setText('')
def setExpertView(self, expertView):
self.btn_to_neg.setVisible(expertView)
self.btn_to_neg_press.setVisible(expertView)
self.btn_to_pos.setVisible(expertView)
self.btn_to_pos_press.setVisible(expertView)
if expertView and self.taurusValueBuddy().motor_dev is not None:
neg_sw_limit_enabled = self.taurusValueBuddy().motor_dev.getAttribute('Position').min_value.lower() != 'not specified'
self.btn_to_neg.setEnabled(neg_sw_limit_enabled)
self.btn_to_neg_press.setEnabled(neg_sw_limit_enabled)
pos_sw_limit_enabled = self.taurusValueBuddy().motor_dev.getAttribute('Position').max_value.lower() != 'not specified'
self.btn_to_pos.setEnabled(pos_sw_limit_enabled)
self.btn_to_pos_press.setEnabled(pos_sw_limit_enabled)
def setModel(self, model):
if hasattr(self, 'taurusValueBuddy'):
self.disconnect(self.taurusValueBuddy(), Qt.SIGNAL('expertViewChanged(bool)'), self.setExpertView)
if model in (None, ''):
TaurusWidget.setModel(self, model)
self.le_write_absolute.setModel(model)
return
TaurusWidget.setModel(self, model + '/Position')
self.le_write_absolute.setModel(model + '/Position')
# Handle User/Expert View
self.setExpertView(self.taurusValueBuddy()._expertView)
self.connect(self.taurusValueBuddy(), Qt.SIGNAL('expertViewChanged(bool)'), self.setExpertView)
def keyPressEvent(self, key_event):
if key_event.key() == Qt.Qt.Key_Escape:
self.abort()
key_event.accept()
TaurusWidget.keyPressEvent(self, key_event)
def emitEditingFinished(self):
self.emit(Qt.SIGNAL(TaurusBaseWritableWidget.appliedSignalSignature))
##################################################
# UNITS WIDGET #
##################################################
class PoolMotorTVUnitsWidget(DefaultUnitsWidget):
layoutAlignment = Qt.Qt.AlignTop
def __init__(self, parent=None, designMode=False):
DefaultUnitsWidget.__init__(self, parent, designMode)
def setModel(self, model):
if model in (None,''):
DefaultUnitsWidget.setModel(self, model)
return
DefaultUnitsWidget.setModel(self, model + '/Position')
##################################################
# TV MOTOR WIDGET #
##################################################
class PoolMotorTV(TaurusValue):
''' A widget that displays and controls a pool Motor device. It
behaves as a TaurusValue.
@TODO the view mode should be stored in the configuration
@TODO the motor list should be stored in the configuration
@TODO the selected radiobuttons (dial/indx/enc) and (abs/rel) should be stored in configuration
@TODO it would be nice if the neg/pos limits could react also when software limits are 'active'
@TODO expert view for read widget should include signals (indexer/encoder/inpos)...
'''
def __init__(self, parent=None, designMode=False):
TaurusValue.__init__(self, parent=parent, designMode=designMode)
self.setLabelWidgetClass('PoolMotorTVLabelWidget')
self.setReadWidgetClass('PoolMotorTVReadWidget')
self.setWriteWidgetClass('PoolMotorTVWriteWidget')
self.setUnitsWidgetClass('PoolMotorTVUnitsWidget')
self.setLabelConfig('dev_alias')
self.motor_dev = None
self._expertView = False
self.limits_listener = None
self.poweron_listener = None
self.status_listener = None
self.position_listener = None
self.setExpertView(False)
def setExpertView(self, expertView):
self._expertView = expertView
self.emit(Qt.SIGNAL('expertViewChanged(bool)'), expertView)
def minimumHeight(self):
return None #@todo: UGLY HACK to avoid subwidgets being forced to minimumheight=20
def setModel(self, model):
TaurusValue.setModel(self, model)
try:
# disconnect signals
if self.limits_listener is not None:
self.disconnect(self.limits_listener, Qt.SIGNAL('eventReceived'), self.updateLimits)
if self.poweron_listener is not None:
self.disconnect(self.poweron_listener, Qt.SIGNAL('eventReceived'), self.updatePowerOn)
if self.status_listener is not None:
self.disconnect(self.status_listener, Qt.SIGNAL('eventReceived'), self.updateStatus)
if self.position_listener is not None:
self.disconnect(self.position_listener, Qt.SIGNAL('eventReceived'), self.updatePosition)
#remove listeners
if self.motor_dev is not None:
if self.hasHwLimits():
self.motor_dev.getAttribute('Limit_Switches').removeListener(self.limits_listener)
if self.hasPowerOn():
self.motor_dev.getAttribute('PowerOn').removeListener(self.poweron_listener)
self.motor_dev.getAttribute('Status').removeListener(self.status_listener)
self.motor_dev.getAttribute('Position').removeListener(self.position_listener)
if model == '' or model is None:
self.motor_dev = None
return
self.motor_dev = taurus.Device(model)
# CONFIGURE A LISTENER IN ORDER TO UPDATE LIMIT SWITCHES STATES
self.limits_listener = TaurusAttributeListener()
if self.hasHwLimits():
self.connect(self.limits_listener, Qt.SIGNAL('eventReceived'), self.updateLimits)
self.motor_dev.getAttribute('Limit_Switches').addListener(self.limits_listener)
# CONFIGURE AN EVENT RECEIVER IN ORDER TO PROVIDE POWERON <- True/False EXPERT OPERATION
self.poweron_listener = TaurusAttributeListener()
if self.hasPowerOn():
self.connect(self.poweron_listener, Qt.SIGNAL('eventReceived'), self.updatePowerOn)
self.motor_dev.getAttribute('PowerOn').addListener(self.poweron_listener)
# CONFIGURE AN EVENT RECEIVER IN ORDER TO UPDATED STATUS TOOLTIP
self.status_listener = TaurusAttributeListener()
self.connect(self.status_listener, Qt.SIGNAL('eventReceived'), self.updateStatus)
self.motor_dev.getAttribute('Status').addListener(self.status_listener)
# CONFIGURE AN EVENT RECEIVER IN ORDER TO ACTIVATE LIMIT BUTTONS ON SOFTWARE LIMITS
self.position_listener = TaurusAttributeListener()
self.connect(self.position_listener, Qt.SIGNAL('eventReceived'), self.updatePosition)
self.motor_dev.getAttribute('Position').addListener(self.position_listener)
self.motor_dev.getAttribute('Position').enablePolling(force=True)
self.setExpertView(self._expertView)
except Exception, e:
self.warning("Exception caught while setting model: %s", repr(e))
self.motor_dev = None
return
def hasPowerOn(self):
try: return hasattr(self.motor_dev, 'PowerOn')
except: return False
def hasHwLimits(self):
try: return hasattr(self.motor_dev, 'Limit_Switches')
except: return False
def updateLimits(self, limits, position=None):
if isinstance(limits, dict): limits = limits["limits"]
limits = list(limits)
HOME = 0
POS = 1
NEG = 2
# Check also if the software limit is 'active'
if self.motor_dev is not None:
position_attribute = self.motor_dev.getAttribute('Position')
if position is None:
position = position_attribute.read().value
max_value_str = position_attribute.max_value
min_value_str = position_attribute.min_value
try:
max_value = float(max_value_str)
limits[POS] = limits[POS] or (position >= max_value)
except:
pass
try:
min_value = float(min_value_str)
limits[NEG] = limits[NEG] or (position <= min_value)
except:
pass
pos_lim = limits[POS]
pos_btnstylesheet = ''
enabled = True
if pos_lim:
pos_btnstylesheet = 'QPushButton{%s}' % DEVICE_STATE_PALETTE.qtStyleSheet(PyTango.DevState.ALARM)
enabled = False
self.readWidget(followCompact=True).btn_lim_pos.setStyleSheet(pos_btnstylesheet)
self.writeWidget(followCompact=True).btn_step_up.setEnabled(enabled)
self.writeWidget(followCompact=True).btn_step_up.setStyleSheet(pos_btnstylesheet)
enabled = enabled and self.motor_dev.getAttribute('Position').max_value.lower() != 'not specified'
self.writeWidget(followCompact=True).btn_to_pos.setEnabled(enabled)
self.writeWidget(followCompact=True).btn_to_pos_press.setEnabled(enabled)
neg_lim = limits[NEG]
neg_btnstylesheet = ''
enabled = True
if neg_lim:
neg_btnstylesheet = 'QPushButton{%s}' % DEVICE_STATE_PALETTE.qtStyleSheet(PyTango.DevState.ALARM)
enabled = False
self.readWidget(followCompact=True).btn_lim_neg.setStyleSheet(neg_btnstylesheet)
self.writeWidget(followCompact=True).btn_step_down.setEnabled(enabled)
self.writeWidget(followCompact=True).btn_step_down.setStyleSheet(neg_btnstylesheet)
enabled = enabled and self.motor_dev.getAttribute('Position').min_value.lower() != 'not specified'
self.writeWidget(followCompact=True).btn_to_neg.setEnabled(enabled)
self.writeWidget(followCompact=True).btn_to_neg_press.setEnabled(enabled)
def updatePowerOn(self, poweron='__no_argument__'):
if poweron == '__no_argument__':
msg = 'updatePowerOn called without args (bug in old PyQt). Ignored'
self.debug(msg)
return
btn_text = 'Set ON'
if poweron:
btn_text = 'Set OFF'
self.labelWidget().btn_poweron.setText(btn_text)
def updateStatus(self, status):
# SHOULD THERE BE A BETTER METHOD FOR THIS UPDATE?
# IF THIS IS NOT DONE, THE TOOLTIP IS NOT CALCULATED EVERY TIME
# TaurusLabel.updateStyle DIDN'T WORK, SO I HAD TO GO DEEPER TO THE CONTROLLER...
#self.labelWidget().lbl_alias.updateStyle()
self.labelWidget().lbl_alias.controllerUpdate()
def updatePosition(self, position='__no_argument__'):
if position == '__no_argument__':
msg = 'updatePowerOn called without args (bug in old PyQt). Ignored'
self.debug(msg)
return
# we do not need the position for nothing...
# we just want to check if any software limit is 'active'
# and updateLimits takes care of it
if self.motor_dev is not None:
limit_switches = [False, False, False]
if self.hasHwLimits():
limit_switches = self.motor_dev.getAttribute('Limit_switches').read().value
#print "update limits", limit_switches
self.updateLimits(limit_switches, position=position)
def hasEncoder(self):
try: return hasattr(self.motor_dev, 'Encoder')
except: return False
def showTangoAttributes(self):
model = self.getModel()
taurus_attr_form = TaurusAttrForm()
taurus_attr_form.setMinimumSize(Qt.QSize(555, 800))
taurus_attr_form.setModel(model)
taurus_attr_form.setWindowTitle('%s Tango Attributes' % taurus.Factory().getDevice(model).getSimpleName())
taurus_attr_form.show()
### def showEvent(self, event):
### TaurusValue.showEvent(self, event)
### if self.motor_dev is not None:
### self.motor_dev.getAttribute('Position').enablePolling(force=True)
###
### def hideEvent(self, event):
### TaurusValue.hideEvent(self, event)
### if self.motor_dev is not None:
### self.motor_dev.getAttribute('Position').disablePolling()
###################################################
# A SIMPLER WIDGET THAT MAY BE USED OUTSIDE FORMS #
###################################################
class PoolMotor(TaurusFrame):
''' A widget that displays and controls a pool Motor device.
'''
def __init__(self, parent=None, designMode=False):
TaurusFrame.__init__(self, parent, designMode)
self.setLayout(Qt.QGridLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().setSpacing(0)
self.setFrameShape(Qt.QFrame.Box)
self.pool_motor_tv = PoolMotorTV(self)
def setModel(self, model):
self.pool_motor_tv.setModel(model)
try: self.motor_dev = taurus.Device(model)
except: return
def main():
import sys
import taurus.qt.qtgui.application
import taurus.core.util.argparse
from taurus.qt.qtgui.panel import TaurusForm
parser = taurus.core.util.argparse.get_taurus_parser()
parser.usage = "%prog [options] [<motor1> [<motor2>] ...]"
app = taurus.qt.qtgui.application.TaurusApplication(cmd_line_parser=parser)
args = app.get_command_line_args()
#models = ['tango://controls02:10000/motor/gcipap10ctrl/8']
models = ['motor/motctrl13/3']
if len(args) > 0:
models = args
w = Qt.QWidget()
w.setLayout(Qt.QVBoxLayout())
tests = []
#tests.append(1)
tests.append(2)
#tests.append(3)
#tests.append(4)
# 1) Test PoolMotorSlim motor widget
form_pms = TaurusForm()
pms_widget_class = 'taurus.qt.qtgui.extra_pool.PoolMotorSlim'
pms_tgclass_map = {'SimuMotor':(pms_widget_class, (), {}),
'Motor':(pms_widget_class, (), {}),
'PseudoMotor':(pms_widget_class, (), {})}
form_pms.setCustomWidgetMap(pms_tgclass_map)
if 1 in tests:
form_pms.setModel(models)
w.layout().addWidget(form_pms)
# 2) Test PoolMotorTV motor widget
form_tv = TaurusForm()
form_tv.setModifiableByUser(True)
tv_widget_class = 'taurus.qt.qtgui.extra_pool.PoolMotorTV'
tv_tgclass_map = {'SimuMotor':(tv_widget_class, (), {}),
'Motor':(tv_widget_class, (), {}),
'PseudoMotor':(tv_widget_class, (), {})}
form_tv.setCustomWidgetMap(tv_tgclass_map)
if 2 in tests:
form_tv.setModel(models)
w.layout().addWidget(form_tv)
form_tv.setCompact(True)
# 3) Test Stand-Alone PoolMotor widget
# New approach would be to let PoolMotorTV live outside a TaurusForm.... but inside a GridLayout
# Carlos already said this is not a good approach but...
if 3 in tests:
for motor in models:
motor_widget = PoolMotor()
motor_widget.setModel(motor)
w.layout().addWidget(motor_widget)
# 4) Test Stand-Alone PoolMotorSlim widget
if 4 in tests:
for motor in models:
motor_widget = PoolMotorSlim()
motor_widget.setModel(motor)
w.layout().addWidget(motor_widget)
w.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
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