class TcpDevice(DataDevice):
'''
classdocs
'''
def __init__(self, params={}, parent=None):
'''
Constructor
'''
super(TcpDevice, self).__init__(params, parent)
self.iodevice = QTcpSocket()
self.reconnect = int(params.get('Reconnect', 1000))
self.host = params.get('Host', None)
self.port = int(params.get('Port', 2000))
self.gpsdInit = bool(params.get('GpsdInit', False))
self.iodevice.readyRead.connect(self.readyRead)
self.iodevice.error.connect(self.socketError)
self.iodevice.connected.connect(self.socketConnected)
self.iodevice.disconnected.connect(self.socketDisconnected)
@pyqtSlot(QAbstractSocket.SocketError)
def socketError(self, error):
if self.iodevice.state() != QAbstractSocket.BoundState:
if self.reconnect > 0:
QTimer.singleShot(self.reconnect, self.onReconnectTimer)
def connectDevice(self):
self.iodevice.connectToHost(self.host, self.port)
def disconnectDevice(self):
if self.iodevice.state() is QAbstractSocket.ConnectedState:
self.iodevice.disconnectFromHost()
def readData(self):
size = self.iodevice.bytesAvailable()
data = self.iodevice.read(size)
return data
def readLine(self):
if self.iodevice.canReadLine():
return str(self.iodevice.readLine())
return ''
@pyqtSlot()
def socketConnected(self):
self.deviceConnected.emit(True)
if self.gpsdInit:
self.iodevice.writeData('?WATCH={"class":"WATCH","nmea":true}')
@pyqtSlot()
def socketDisconnected(self):
self.deviceDisconnected.emit(True)
class QTcpTransport(Transport):
'''A Transport connecting to a TCP server.
Connect using .start().
Received data is processed on the Qt mainloop thread.
'''
shorthand='qtcp'
@classmethod
def fromstring(cls, expression):
'''qtcp:<host>:<port>'''
_, host, port = expression.split(':')
return cls(host=host, port=int(port), sendername=expression)
def __init__(self, host, port, sendername='qtcp'):
self.address = (host, port)
self.sendername = sendername
self.leftover = b''
self.socket = QTcpSocket()
self.socket.readyRead.connect(self.on_ready_read)
self.socket.error.connect(self.on_error)
self.socket.connected.connect(self.on_connect)
def start(self):
if self.socket.state() != QAbstractSocket.UnconnectedState:
L().debug('start(): Socket is not in UnconnectedState, doing nothing')
return
L().debug('connecting to: %s'%(self.address,))
self.socket.connectToHost(self.address[0], self.address[1])
def stop(self):
self.socket.flush()
self.socket.disconnectFromHost()
def send(self, data, receivers=None):
if receivers is not None and self.sendername not in receivers:
return
L().debug('message to tcp server: %s'%data)
self.socket.write(data.decode('utf8'))
def on_ready_read(self):
data = self.socket.readAll().data()
pdata = data
if len(pdata) > 100:
pdata = pdata[:100] + b'...'
#if pdata.startswith('{'):
L().debug('message from tcp server: %s'%pdata)
self.leftover = self.received(
sender=self.sendername,
data=self.leftover + data
)
def on_connect(self):
L().info('QTcpSocket: Established connection to %s'%(self.address,))
def on_error(self, error):
L().info('QTcpSocket raised error: %s'%error)
class SocketTcpClient(AbstractSocket):
"""Socket que envia e recebe dados via TcpSocket"""
def __init__(self, portaResponder, parent=None):
super().__init__(None, portaResponder, parent)
self._socketClient = QTcpSocket(self)
self._socketClient.readyRead.connect(self._lerDados)
def _lerDados(self):
if self._socketClient.bytesAvailable():
host = self.ipServidor()
data = self._socketClient.readData()
self.dadosRecebidos.emit(host, data)
def enviarDados(self, byteArray):
self._socketClient.write(byteArray)
def setPara(self, para):
if self.getPara() != para:
super().setPara(para)
self._conectarServidor(para)
def _conectarServidor(self, ip):
if self._socketClient.state() in (QAbstractSocket.ConnectedState, QAbstractSocket.ConnectingState):
self._desconectarServidor()
self._socketClient.connectToHost(QHostAddress(ip), self.getPortaResponder())
def _desconectarServidor(self):
if self._socketClient.state() == QAbstractSocket.UnconnectedState:
return True
self._socketClient.disconnectFromHost()
return self._socketClient.waitForConnected(50)
def ipServidor(self):
return self._socketClient.peerAddress()
def meuIP(self):
return self._socketClient.localAddress()
class TCPConnection(Connection):
def __init__(self):
Connection.__init__(self)
# read all data in buffer before exiting self.read_data
self.break_on_packet_found = False
def begin(self, instrument):
self.log = logging.getLogger('GDAIS.' + instrument.short_name +
'.TCPConnection')
self.instrument = instrument
self.io_conn = QTcpSocket()
self.io_conn.connected.connect(self.connected)
self.io_conn.error.connect(self.connection_error)
self.io_conn.connectToHost(instrument.connection.tcp_host,
instrument.connection.tcp_port)
def connected(self):
self.io_conn.readyRead.connect(self.read_data)
Connection.begin(self, self.instrument)
def connection_error(self, socket_error):
if socket_error == QTcpSocket.RemoteHostClosedError:
self.log.info(self.io_conn.errorString())
else:
self.log.error(self.io_conn.errorString())
self.error_occurred.emit()
def quit(self):
if self.io_conn and self.io_conn.state() == QTcpSocket.ConnectedState:
loop = QEventLoop()
self.io_conn.disconnected.connect(loop.quit)
self.io_conn.disconnectFromHost()
self.log.debug("Entered disconnect state...")
if self.io_conn.state() == QTcpSocket.ConnectedState:
loop.exec_()
self.log.info("Done")
Connection.quit(self)
class TcpClient(QObject):
packet = pyqtSignal(str)
connected = pyqtSignal()
disconnected = pyqtSignal()
def __init__(self, host):
super().__init__()
self._sock = QTcpSocket()
self._pending = None
self._host = host
self._log = logging.getLogger("tcp")
self._sock.connected.connect(self.greet)
self._sock.connected.connect(self.connected.emit)
self._sock.disconnected.connect(self.disconnected.emit)
self._sock.readyRead.connect(self.recv)
def set_host(self, host):
self._sock.disconnectFromHost()
self._host = host
def _cancel_pending(self):
self._pending.stop()
self._pending = None
self._sock.connected.disconnect(self._connection_success)
@pyqtSlot()
def _connection_success(self):
self._cancel_pending()
self._log.debug("connection successful")
@pyqtSlot()
def _connection_failure(self):
self._cancel_pending()
self._log.debug("connection failed")
def try_connect(self, port):
if self._pending:
self._cancel_pending()
self._sock.disconnectFromHost()
if self._sock.state() != QAbstractSocket.UnconnectedState:
self._sock.waitForDisconnected()
msg = "connecting to ({}:{})"
msg = msg.format(self._host.toString(), port)
self._log.debug(msg)
self._pending = QTimer()
self._pending.timeout.connect(self._connection_failure)
self._pending.setSingleShot(True)
self._sock.connected.connect(self._connection_success)
self._pending.start(10000)
self._sock.connectToHost(self._host, port)
def greet(self):
self.send(query_tag("port", "udp"), "")
def recv(self):
while self._sock.canReadLine():
data = bytes(self._sock.readLine()) # handle QByteArray
message = data.decode()
self.packet.emit(message)
def send(self, tag, payload):
message = tag + ":" + payload + "\n"
data = message.encode()
self._sock.write(data)
class ClientDialog(QtGui.QDialog):
STATUS = ["Not Connected",
"Host Lookup",
"Establishing connection",
"Connected",
"The socket is bound to an address and port",
"For internal use only",
"Socket is about to close"]
def __init__(self, configdir, recentconndb):
QtGui.QDialog.__init__(self)
# Variables
self.configdir = configdir
self.recentconndb = recentconndb
self.socket = QTcpSocket()
self.status = self.STATUS[0]
logging.info("Starting Client")
# Properties
self.setModal(True)
# Setup Widget
self.layout = QtGui.QVBoxLayout()
self.mainWidget = ControllerClientWidget()
self.layout.addWidget(self.mainWidget)
self.setLayout(self.layout)
#Connections
self.connect(self.socket, QtCore.SIGNAL('error(QAbstractSocket::SocketError)'), self.displayError)
self.connect(self.socket, QtCore.SIGNAL('connected()'), self.connected)
self.connect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'), self.connectToServer)
self.connect(self.mainWidget.hostEdit, QtCore.SIGNAL('textChanged(QString)'), self.enableConnectButton)
self.connect(self.mainWidget.portEdit, QtCore.SIGNAL('textChanged(QString)'), self.enableConnectButton)
self.connect(self.mainWidget.passEdit, QtCore.SIGNAL('textChanged(QString)'), self.enableConnectButton)
self.connect(self.mainWidget.recentConnList, QtCore.SIGNAL('doubleClicked(const QModelIndex &)'), self.recentListHandler)
self.loadRecentConnDB()
self.enableConnectButton()
self.hide()
# Translations
self.current_language = "en_US"
self.uiTranslator = QtCore.QTranslator()
self.uiTranslator.load(":/languages/tr_en_US.qm")
self.retranslate()
self.updateStatus()
###
### Translation Related
###
def retranslate(self, language=None):
if language is not None:
self.current_language = language
self.uiTranslator.load(":/languages/tr_%s.qm" % self.current_language)
self.setWindowTitle(self.uiTranslator.translate("ControllerClientApp", "Controller Client"))
#
# Reusable Strings
#
self.clientStatusString = self.uiTranslator.translate("ControllerClientApp", "Status")
self.connectString = self.uiTranslator.translate("ControllerClientApp", "Connect")
self.disconnectString = self.uiTranslator.translate("ControllerClientApp", "Disconnect")
# --- End Reusable Strings
#
# Connection Settings
#
self.mainWidget.toolBox.setItemText(0, self.uiTranslator.translate("ControllerClientApp", "Connection Settings"))
self.mainWidget.hostLabel.setText(self.uiTranslator.translate("ControllerClientApp", "Host name (or IP Address)"))
self.mainWidget.portLabel.setText(self.uiTranslator.translate("ControllerClientApp", "Port"))
self.mainWidget.passLabel.setText(self.uiTranslator.translate("ControllerClientApp", "Passphrase"))
if self.status == self.STATUS[3]:
self.mainWidget.connectButton.setText(self.uiTranslator.translate("ControllerClientApp", self.disconnectString))
else:
self.mainWidget.connectButton.setText(self.uiTranslator.translate("ControllerClientApp", self.connectString))
self.updateStatus()
# --- End Connection Settings
#
# Recent Connections
#
self.mainWidget.toolBox.setItemText(1, self.uiTranslator.translate("ControllerClientApp", "Recent Connections"))
# --- End Recent Connections
##
## UI Related
##
def enableConnectButton(self):
if self.mainWidget.passEdit.text() == '' or self.mainWidget.hostEdit.text() == '' or self.mainWidget.portEdit.text() == '':
self.mainWidget.connectButton.setEnabled(False)
else:
self.mainWidget.connectButton.setEnabled(True)
def connected(self):
caddr = self.socket.peerName()
cport = self.socket.peerPort()
logging.info("Connected to %s:%s" % (caddr, cport))
self.sendPassphrase()
self.mainWidget.connectButton.setText(self.disconnectString)
self.disconnect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'), self.connectToServer)
self.disconnect(self.mainWidget.passEdit, QtCore.SIGNAL('textChanged(QString)'), self.enableConnectButton)
self.connect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'), self.disconnectFromHost)
self.connect(self.socket, QtCore.SIGNAL("disconnected()"), self.disconnectedFromHost)
'''
This function is for updating the sockets status and the statusLabel. It's called when a stateChanged signal is triggered.
'''
def updateStatus(self):
state = self.socket.state()
self.status = self.STATUS[state]
self.mainWidget.statusLabel.setText(self.clientStatusString + ": " + self.status)
'''
When there is a socket error this function is called to show the error in a QMessageBox
'''
def displayError(self, socketError):
messageBox = QtGui.QMessageBox.critical(self, QtCore.QString('Error!'),
QtCore.QString(self.socket.errorString()))
logging.error("Socket error %s" % self.socket.errorString())
##
## Connection Related
##
'''
Function that is called when connect button is pressed.
'''
def connectToServer(self):
caddr = self.mainWidget.hostEdit.text()
cport = int(self.mainWidget.portEdit.text())
cpass = self.mainWidget.passEdit.text()
self.connect(self.socket, QtCore.SIGNAL('stateChanged(QAbstractSocket::SocketState)'), self.updateStatus)
logging.info("Connecting to %s:%s" % (caddr, cport))
self.socket.connectToHost(caddr, cport)
if not self.socket.waitForConnected(1000):
logging.error("Socket error %s", self.socket.errorString())
else:
# Add to recent connections if connection is successful
self.addToRecentConnections(caddr, cport, cpass)
def disconnectFromHost(self):
self.socket.disconnectFromHost()
'''
Function for disconnecting the client from the host.
'''
def disconnectedFromHost(self):
logging.info("Disconnected from host")
self.disconnect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'), self.disconnectFromHost)
self.connect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'), self.connectToServer)
self.connect(self.mainWidget.passEdit, QtCore.SIGNAL('textChanged(QString)'), self.enableConnectButton)
self.mainWidget.connectButton.setText(self.connectString)
'''
Function for sending message to the connected server
'''
def sendMessage(self, message):
logging.info("Sending message: %s", message)
block = QtCore.QByteArray()
block.append(message)
self.socket.write(block)
'''
This function is for sending the passphrase to the server. It uses the sendMessage function
'''
def sendPassphrase(self):
self.sendMessage(self.mainWidget.passEdit.text())
'''
This function is for reading message from the server
'''
def readMessage(self):
message = self.socket.read(self.socket.bytesAvailable())
logging("Server said:%s", message)
return message
##
## Recent Connections Related
##
def loadRecentConnDB(self):
model = self.recentconndb.get_recentconn_model()
self.mainWidget.recentConnList.setModel(model)
self.mainWidget.recentConnList.setColumnHidden(2, True) # Hide the passphrase column
'''
This function is for adding a new connection to the recent connections. It checks whether it exists in the database or not.
'''
def addToRecentConnections(self, caddr, cport, cpass):
self.recentconndb.insert_recentconn(caddr, cport, cpass)
self.loadRecentConnDB()
'''
Handler for the recent connections list. When you click on a recent connection the details of the connection are loaded
'''
def recentListHandler(self, connection):
chost = connection.sibling(connection.row(), 0).data().toString()
cport = int(connection.sibling(connection.row(), 1).data().toString())
cpass = connection.sibling(connection.row(), 2).data().toString()
self.mainWidget.hostEdit.setText(chost)
self.mainWidget.portEdit.setValue(cport)
self.mainWidget.passEdit.setText(cpass)
self.mainWidget.toolBox.setCurrentWidget(self.mainWidget.connWidget)
class QiVisClient(QtCore.QObject):
def __init__(self, name, server, serverPort, x, y, width, height ):
"""__init__() -> None
initializes the client class"""
QtCore.QObject.__init__(self)
self.timer = QtCore.QTimer(self)
self.timer.setSingleShot(True)
self.timer.setInterval(1000)
self.timer.start()
self.socket = QTcpSocket()
self.current_pipeline = None
self.current_config_function = None
self.server = server # os.environ.get( 'DV3D_HW_SERVER_NAME', server )
self.serverPort = int(serverPort)
self.buffer = ""
self.pipelineQueue = []
current_pipeline = None
self.deviceName = name
self.currentTab = None
self.mainWindow = None
print " Init VisClient, server=%s, serverPort=%s, name=%s " % ( str(self.server), str(self.serverPort), str(name) )
self.spreadsheetWindow = spreadsheetController.findSpreadsheetWindow( False )
self.spreadsheetWindow.setWindowFlags( self.spreadsheetWindow.windowFlags() | QtCore.Qt.WindowStaysOnTopHint | QtCore.Qt.Window )
# self.spreadsheetWindow.setWindowFlags( self.spreadsheetWindow.windowFlags() | QtCore.Qt.Window )
self.spreadsheetWindow.activateWindow()
self.spreadsheetWindow.showMaximized()
self.dimensions = ( x, y, width, height )
self.connectSignals()
def createTab( self, displayWidth, displayHeight, fullScreenEnabled ):
self.spreadsheetWindow.addTabController('DV3D')
tabController = self.spreadsheetWindow.get_current_tab_controller()
tabController.clearTabs()
self.currentTab = DisplayWallSheetTab( tabController, self.dimensions[0], self.dimensions[1], self.dimensions[2], self.dimensions[3], displayWidth, displayHeight, fullScreenEnabled )
tabController.addTabWidget(self.currentTab, self.deviceName)
tabController.setCurrentWidget(self.currentTab)
self.size = self.currentTab.getDimension()
print " Startup VisClient, size=%s, dims=%s, fullScreen=%s " % ( str(self.size), str(self.dimensions), str(fullScreenEnabled) )
def updateCurrentTab(self):
if self.currentTab == None:
tabController = self.spreadsheetWindow.get_current_tab_controller()
# self.currentTab = tabController.tabWidgets[1]
self.currentTab = tabController.widget ( 1 )
if self.currentTab:
self.dims = self.currentTab.getDimension()
print " UpdateCurrentTab: ntabs=%d, dims=%s " % ( len( tabController.tabWidgets ), str( self.dims ) )
return True
return False
def connectSignals(self):
"""connectSignals() -> None
Connects all relevant signals to this class"""
self.connect(self.socket, QtCore.SIGNAL("connected()"), self.connected)
self.connect(self.socket, QtCore.SIGNAL("disconnected()"), self.disconnected)
self.connect(self.socket, QtCore.SIGNAL("readyRead()"), self.readDataFromSocket)
self.connect(self.timer, QtCore.SIGNAL("timeout()"), self.retryConnection)
self.connect(self, QtCore.SIGNAL("executeNextPipeline()"), self.executeNextPipeline)
def retryConnection(self):
"""retryConnection() -> None
this method is called once everytime self.timer ticks. It
tries to connect to the server again"""
print "retryConnection"
sys.stdout.flush()
if self.socket.state()!=QTcpSocket.ConnectedState:
if self.socket.state()==QTcpSocket.UnconnectedState:
port = int( self.serverPort )
print " HWClient connecting to server at %s:%d" % ( self.server, port )
self.socket.connectToHost(self.server, port )
self.timer.start()
elif core.system.systemType in ['Windows', 'Microsoft']:
self.socket.setSocketOption(QAbstractSocket.LowDelayOption, 1)
def connected(self):
"""connected() -> None
this method is called when self.socket emits the connected() signal. It means that a succesful connection
has been established to the server"""
sender = "displayClient"
receiver = "server"
tokens = MessageTokenSep.join( [ "dimensions", self.deviceName, str(self.dimensions[0]), str(self.dimensions[1]), str(self.dimensions[2]), str(self.dimensions[3]) ] )
reply = sender + "-" + receiver + "-" + str(len(tokens)) + ":" + tokens
print " ****** Connected to server! CellCoords = ( %d, %d ), reply: %s " % ( self.dimensions[0], self.dimensions[1], reply )
self.socket.write(reply)
def disconnected(self):
"""disconnected() -> None
this method is called when self.socket emits disconnected(). It means that the socket is no longer connected to the server"""
print "Disconnected from server"
self.timer.start()
def readDataFromSocket(self):
"""readDataFromSocket() -> None
This method is called everytime the socket sends the readyRead() signal"""
incoming = str(self.socket.readAll().data())
while incoming != "":
self.buffer += incoming
while self.buffer != "":
tokens = self.buffer.split(":")
header = tokens[0]
rest = ""
for piece in tokens[1:]:
rest += piece+":"
rest = rest[:-1]
info = header.split("-")
if len(info)<3:
break
(sender, receiver, size) = (info[0], info[1], info[2])
if int(size) > len(rest):
break
tokens = rest[:int(size)]
self.buffer = rest[int(size):]
# print " ********* CLIENT--> gotMessage: %s %s %s ********* " % ( str( receiver ), str( sender ), str( tokens ) )
sys.stdout.flush()
if (receiver == "displayClient"):
reply = self.processMessage((sender, tokens), self.socket)
if reply != ("","",""):
reply = reply[0] + "-" + reply[1] + "-" + str(len(reply[2])) + ":" + reply[2]
self.socket.write(reply)
incoming = str(self.socket.readAll().data())
def processCommand(self, terms):
print " -- processCommand: %s " % str( terms )
if terms[0] == "reltimestep":
relTimeValue = float( terms[1] )
relTimeIndex = float( terms[2] )
useTimeIndex = bool(terms[3])
displayText = terms[4]
if self.current_pipeline:
for module in self.current_pipeline.module_list:
persistentCellModule = ModuleStore.getModule( module.id )
if persistentCellModule: persistentCellModule.updateAnimation( [ relTimeValue, relTimeIndex, useTimeIndex ], displayText )
elif terms[0] == "pipelineHelper":
if self.current_config_function:
if self.current_config_function.type == 'leveling':
range = list( self.current_config_function.range )
cmd_args = terms[1].split('-')
iRangeArg = int( cmd_args[1] )
range[ iRangeArg ] = float( terms[2] )
# print " --- PipelineHelper: set range = ", str( range )
self.current_config_function.broadcastLevelingData( range )
else:
pass
# print " --- PipelineHelper, config type: ", self.current_config_function.type
else:
if self.current_pipeline:
for module in self.current_pipeline.module_list:
persistentCellModule = ModuleStore.getModule( module.id )
if persistentCellModule: persistentCellModule.updateConfigurationObserver( terms[0], terms[1:] )
# if terms[0] == 'colormap':
# cmapData = terms[1]
# displayText = terms[2]
# for module in self.current_pipeline.module_list:
# persistentCellModule = ModuleStore.getModule( module.id )
# persistentCellModule.setColormap( cmapData )
# persistentCellModule.updateTextDisplay( displayText )
def processEvent(self, terms):
"""processEvent(message: String) -> None
decodifies the event received by the server and posts it to QT's event handler. In order
to do this, we must send three events: the first one disables this client's method that
would send events to the server. The second is the actual event we want processed and the third
reenables event sending to the server. This must be done to avoid a deadlock"""
def decodeMouseEvent( event, screenDims ):
"""decodeMouseEvent(event: String) -> QtGui.QMouseEvent
this method receives a string and returns the corresponding mouse event"""
pos = ( int( float( event[2] ) * screenDims[0] ), int( float( event[3] ) * screenDims[1] ) )
if event[1] == "left":
button = QtCore.Qt.LeftButton
elif event[1] == "right":
button = QtCore.Qt.RightButton
if event[0] == "singleClick":
t = QtCore.QEvent.MouseButtonPress
elif event[0] == "mouseMove":
t = QtCore.QEvent.MouseMove
button = QtCore.Qt.NoButton
elif event[0] == "mouseRelease":
t = QtCore.QEvent.MouseButtonRelease
button = QtCore.Qt.MouseButton(button)
m = QtCore.Qt.NoModifier
if event[4] == "shift":
m = QtCore.Qt.ShiftModifier
elif event[4] == "ctrl":
m = QtCore.Qt.ControlModifier
elif event[4] == "alt":
m = QtCore.Qt.AltModifier
# print " Client process %s %s event: pos = %s, screenDims=%s " % ( button, event[0], str( pos ), str( screenDims ) )
return QtGui.QMouseEvent(t, QtCore.QPoint(pos[0], pos[1]), button, button, m)
def decodeKeyEvent(event):
"""decodeKeyEvent(event: String) -> QtGui.QKeyEvent
this method receives a string and returns the corresponding Key event"""
type = None
if event[0] == "keyPress":
type = QtCore.QEvent.KeyPress
elif event[0] == "keyRelease":
type = QtCore.QEvent.KeyRelease
key = int( event[1] )
m = QtCore.Qt.NoModifier
if event[2] == "shift":
m = QtCore.Qt.ShiftModifier
elif event[2] == "ctrl":
m = QtCore.Qt.ControlModifier
elif event[2] == "alt":
m = QtCore.Qt.AltModifier
# print " Client process key event: %s " % str( event )
return QtGui.QKeyEvent( type, key, QtCore.Qt.KeyboardModifiers(m) )
app = QtCore.QCoreApplication.instance()
newTab = self.updateCurrentTab()
widget = self.currentTab.getCellWidget( 0, 0 ) if self.currentTab else None
# print " ------------- QiVisClient.processEvent: %s ---------------------" % ( str(terms) )
sys.stdout.flush()
if terms[2] == "interactionState":
if self.current_pipeline:
state = terms[3] if ( len(terms) > 3 ) else None
altMode = terms[4] if ( len(terms) > 4 ) else None
print " ~~~~~ Setting Client Interaction State: ", str(state), str(altMode)
sys.stdout.flush()
for module in self.current_pipeline.module_list:
persistentModule = ModuleStore.getModule( module.id )
if persistentModule:
cf = persistentModule.updateInteractionState( state, altMode )
if cf: self.current_config_function = cf
else: print "Can't find client persistentModule: ", module.id
else:
newEvent = None
if terms[2] == "singleClick":
cellModules = self.getCellModules()
cpos = [ float(terms[i]) for i in range(7,10) ]
cfol = [ float(terms[i]) for i in range(10,13) ]
cup = [ float(terms[i]) for i in range(13,16) ]
# print " >>> QiVisClient.cellModules: %s, modules: %s" % ( str( [ cellMod.id for cellMod in cellModules ] ), str( ModuleStore.getModuleIDs() ) )
for cellMod in cellModules:
persistentCellModule = ModuleStore.getModule( cellMod.id )
if persistentCellModule: persistentCellModule.syncCamera( cpos, cfol, cup )
if terms[2] in ["singleClick", "mouseMove", "mouseRelease"]:
if self.currentTab:
screenRect = self.currentTab.getCellRect( 0, 0 )
screenDims = ( screenRect.width(), screenRect.height() )
newEvent = decodeMouseEvent( terms[2:], screenDims )
elif terms[2] in ["keyPress", "keyRelease" ]:
newEvent = decodeKeyEvent(terms[2:])
if widget and newEvent:
cellWidget = widget.widget()
app.postEvent( cellWidget, newEvent)
cellWidget.setFocus()
cellWidget.update()
def executeNextPipeline(self):
if len(self.pipelineQueue) == 0:
return
pipeline = self.pipelineQueue[-1]
self.pipelineQueue.pop()
self.executePipeline(pipeline)
self.emit(QtCore.SIGNAL("executeNextPipeline()"))
def getCellModules(self):
cellModules = []
if self.current_pipeline:
for module in self.current_pipeline.module_list:
if ( module.name == "MapCell3D" ): cellModules.append( module )
return cellModules
def getCurrentPipeline(self):
return self.current_pipeline
def setCellLocation(self):
cellModule = None
if self.current_pipeline:
print " Executing Client Workflow, modules: "
for module in self.current_pipeline.module_list:
print str( module )
# if : cellModule = module
def executePipeline(self,pipeline):
from core.db.io import unserialize
from core.vistrail.pipeline import Pipeline
from core.interpreter.default import get_default_interpreter as getDefaultInterpreter
from core.utils import DummyView
import api
tabController = self.spreadsheetWindow.get_current_tab_controller()
pip = unserialize(str(pipeline), Pipeline)
# print " **** Client-%s ---Received Pipeline--- modules:" % str( self.dimensions )
# for module in pip.module_list:
# print " ", str(module.id)
self.current_pipeline = pip
interpreter = getDefaultInterpreter()
kwargs = { "locator": None,
"current_version": None,
"view": DummyView(),
"aliases": {} }
interpreter.execute( pip, **kwargs )
print "Finished Executing Pipeline"
def processMessage(self, message, socket):
(sender, tokens) = message
# print " ********* CLIENT--> processMessage: %s ********* " % str( tokens )
tokens = tokens.split( MessageTokenSep )
if ( len(tokens) < 4 ) or ( tokens[3] <> 'mouseMove' ): print " ********* CLIENT--> splitMessage: %s ********* " % str( tokens )
if len(tokens) == 0: return
if tokens[0] == "exit":
print "Received shutdown message"
sys.stdout.flush()
socket.close()
gui.application.get_vistrails_application().quit()
gui.application.stop_application()
sys.exit(0)
if tokens[0] == "pipeline":
# print " $$$$$$$$$$$ Client-- pipeline message: %s " % str(tokens)
### we must execute a pipeline
# return ("", "", "")
if len(tokens[2:]) != 0:
for t in tokens[2:]:
tokens[1] += t + "@"
tokens[1] = tokens[1][:-1]
self.executePipeline(tokens[1])
elif tokens[0] == "interaction":
self.processEvent(tokens[1:])
elif tokens[0] == "command":
self.processCommand(tokens[3:])
elif tokens[0] == "refresh":
self.updateCurrentTab()
if self.currentTab:
widget = self.currentTab.getCell(int(tokens[1]), int(tokens[2]))
# if widget:
# widget.swapBuffers()
return ("", "", "")
class TcpClient(QObject):
packet = pyqtSignal(str)
connected = pyqtSignal()
disconnected = pyqtSignal()
def __init__(self, host):
super().__init__()
self._sock = QTcpSocket()
self._pending = None
self._host = host
self._log = logging.getLogger('tcp')
self._sock.connected.connect(self.greet)
self._sock.connected.connect(self.connected.emit)
self._sock.disconnected.connect(self.disconnected.emit)
self._sock.readyRead.connect(self.recv)
def set_host(self, host):
self._sock.disconnectFromHost()
self._host = host
def _cancel_pending(self):
self._pending.stop()
self._pending = None
self._sock.connected.disconnect(self._connection_success)
@pyqtSlot()
def _connection_success(self):
self._cancel_pending()
self._log.debug('connection successful')
@pyqtSlot()
def _connection_failure(self):
self._cancel_pending()
self._log.debug('connection failed')
def try_connect(self, port):
if self._pending:
self._cancel_pending()
self._sock.disconnectFromHost()
if self._sock.state() != QAbstractSocket.UnconnectedState:
self._sock.waitForDisconnected()
msg = 'connecting to ({}:{})'
msg = msg.format(self._host.toString(), port)
self._log.debug(msg)
self._pending = QTimer()
self._pending.timeout.connect(self._connection_failure)
self._pending.setSingleShot(True)
self._sock.connected.connect(self._connection_success)
self._pending.start(10000)
self._sock.connectToHost(self._host, port)
def greet(self):
self.send(query_tag('port', 'udp'), '')
def recv(self):
while self._sock.canReadLine():
data = bytes(self._sock.readLine()) # handle QByteArray
message = data.decode()
self.packet.emit(message)
def send(self, tag, payload):
message = tag + ':' + payload + '\n'
data = message.encode()
self._sock.write(data)
class display_driver(PtDriver.PtDriver):
def __init__(self,name=None):
PtDriver.PtDriver.__init__(self,name=name)
def open(self,options):
self.options = options
self.tcpSocket = QTcpSocket()
# try to connect to the server
self.tcpSocket.connectToHost(QHostAddress("0.0.0.0"), 5006)
self.tcpSocket.waitForConnected(2000)
if self.tcpSocket.state() != 3:
self._launchWindow()
#thread.start_new_thread(self._launchWindow,(xres,yres))
QObject.connect(self.tcpSocket, SIGNAL("connected()"), self.tcpSocketConnected)
#print "connecting now"
while self.tcpSocket.state() != 3:
self.tcpSocket.connectToHost(QHostAddress("0.0.0.0"), 5006)
self.tcpSocket.waitForConnected(5000)
def tcpSocketConnected(self):
#txt = "Successfully connected to Server!!!"
self.xres = self.options.xres.value
self.yres = self.options.yres.value
# send resolution
txt = struct.pack("6sII","imgnfo",self.xres,self.yres)
self.tcpSocket.write(QByteArray(txt))
self.tcpSocket.waitForBytesWritten()
def prepareBucket(self,bucket):
bu = struct.pack("6sIIII","bucket",
bucket.pos.x,
bucket.pos.y,
bucket.width,
bucket.height)
for i,p in enumerate(bucket.pixels):
if i < bucket.width or \
i > ((bucket.height * bucket.width) - bucket.width) or \
(i % bucket.width) == 0 or\
(((i+1) % bucket.width) + bucket.width) == bucket.width:
bu += struct.pack("3I",255,255,0)
else:
bu += struct.pack("3I",0,0,0)
self.tcpSocket.write(QByteArray(bu))
self.tcpSocket.waitForBytesWritten()
def writeBucket(self,bucket):
bu = struct.pack("6sIIII","bucket",
bucket.pos.x,
bucket.pos.y,
bucket.width,
bucket.height)
#print "wrote ",len(bucket.pixels)
#print "x ",bucket.width," y ",bucket.height, " len ",len(bucket.pixels)
#j = 0
for i in bucket.pixels:
#bu += struct.pack("3I",i.r,i.g,i.b)
bu += struct.pack("3I",int(i.r),int(i.g),int(i.b))
#j +=1
#print "size sent ",j
self.tcpSocket.write(QByteArray(bu))
self.tcpSocket.waitForBytesWritten()
def close(self):
self.tcpSocket.close()
def _launchWindow(self):
file = os.path.dirname(__file__)
cmd = "python %s"%os.path.join(file,"framebuffer.py")
subprocess.Popen(cmd.split())
class ClientDialog(QtGui.QDialog):
STATUS = [
"Not Connected", "Host Lookup", "Establishing connection", "Connected",
"The socket is bound to an address and port", "For internal use only",
"Socket is about to close"
]
def __init__(self, configdir, recentconndb):
QtGui.QDialog.__init__(self)
# Variables
self.configdir = configdir
self.recentconndb = recentconndb
self.socket = QTcpSocket()
self.status = self.STATUS[0]
log.info("Starting Client")
# Properties
self.setModal(True)
# Setup Widget
self.layout = QtGui.QVBoxLayout()
self.mainWidget = ControllerClientWidget()
self.layout.addWidget(self.mainWidget)
self.setLayout(self.layout)
#Connections
self.connect(self.socket,
QtCore.SIGNAL('error(QAbstractSocket::SocketError)'),
self.displayError)
self.connect(self.socket, QtCore.SIGNAL('connected()'), self.connected)
self.connect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'),
self.connectToServer)
self.connect(self.mainWidget.hostEdit,
QtCore.SIGNAL('textChanged(QString)'),
self.enableConnectButton)
self.connect(self.mainWidget.portEdit,
QtCore.SIGNAL('textChanged(QString)'),
self.enableConnectButton)
self.connect(self.mainWidget.passEdit,
QtCore.SIGNAL('textChanged(QString)'),
self.enableConnectButton)
self.connect(self.mainWidget.recentConnList,
QtCore.SIGNAL('doubleClicked(const QModelIndex &)'),
self.recentListHandler)
self.loadRecentConnDB()
self.enableConnectButton()
self.hide()
# Translations
self.app = QtGui.QApplication.instance()
self.current_language = "en_US"
self.uiTranslator = QtCore.QTranslator()
self.uiTranslator.load(":/languages/tr_en_US.qm")
self.retranslate()
self.updateStatus()
###
### Translation Related
###
def retranslate(self, language=None):
if language is not None:
self.current_language = language
self.uiTranslator.load(":/languages/tr_%s.qm" % self.current_language)
self.setWindowTitle(
self.app.translate("ControllerClientApp", "Controller Client"))
#
# Reusable Strings
#
self.clientStatusString = self.app.translate("ControllerClientApp",
"Status")
self.connectString = self.app.translate("ControllerClientApp",
"Connect")
self.disconnectString = self.app.translate("ControllerClientApp",
"Disconnect")
# --- End Reusable Strings
#
# Connection Settings
#
self.mainWidget.toolBox.setItemText(
0, self.app.translate("ControllerClientApp",
"Connection Settings"))
self.mainWidget.hostLabel.setText(
self.app.translate("ControllerClientApp",
"Host name (or IP Address)"))
self.mainWidget.portLabel.setText(
self.app.translate("ControllerClientApp", "Port"))
self.mainWidget.passLabel.setText(
self.app.translate("ControllerClientApp", "Passphrase"))
if self.status == self.STATUS[3]:
self.mainWidget.connectButton.setText(
self.app.translate("ControllerClientApp",
self.disconnectString))
else:
self.mainWidget.connectButton.setText(
self.app.translate("ControllerClientApp", self.connectString))
self.updateStatus()
# --- End Connection Settings
#
# Recent Connections
#
self.mainWidget.toolBox.setItemText(
1, self.app.translate("ControllerClientApp", "Recent Connections"))
# --- End Recent Connections
##
## UI Related
##
def enableConnectButton(self):
if self.mainWidget.passEdit.text(
) == '' or self.mainWidget.hostEdit.text(
) == '' or self.mainWidget.portEdit.text() == '':
self.mainWidget.connectButton.setEnabled(False)
else:
self.mainWidget.connectButton.setEnabled(True)
def connected(self):
caddr = self.socket.peerName()
cport = self.socket.peerPort()
log.info("Connected to %s:%s" % (caddr, cport))
self.sendPassphrase()
self.mainWidget.connectButton.setText(self.disconnectString)
self.disconnect(self.mainWidget.connectButton,
QtCore.SIGNAL('pressed()'), self.connectToServer)
self.disconnect(self.mainWidget.passEdit,
QtCore.SIGNAL('textChanged(QString)'),
self.enableConnectButton)
self.connect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'),
self.disconnectFromHost)
self.connect(self.socket, QtCore.SIGNAL("disconnected()"),
self.disconnectedFromHost)
'''
This function is for updating the sockets status and the statusLabel. It's called when a stateChanged signal is triggered.
'''
def updateStatus(self):
state = self.socket.state()
self.status = self.STATUS[state]
self.mainWidget.statusLabel.setText(self.clientStatusString + ": " +
self.status)
'''
When there is a socket error this function is called to show the error in a QMessageBox
'''
def displayError(self, socketError):
messageBox = QtGui.QMessageBox.critical(
self, QtCore.QString('Error!'),
QtCore.QString(self.socket.errorString()))
log.error("Socket error %s" % self.socket.errorString())
##
## Connection Related
##
'''
Function that is called when connect button is pressed.
'''
def connectToServer(self):
caddr = self.mainWidget.hostEdit.text()
cport = int(self.mainWidget.portEdit.text())
cpass = self.mainWidget.passEdit.text()
self.connect(
self.socket,
QtCore.SIGNAL('stateChanged(QAbstractSocket::SocketState)'),
self.updateStatus)
log.info("Connecting to %s:%s" % (caddr, cport))
self.socket.connectToHost(caddr, cport)
if not self.socket.waitForConnected(1000):
log.error("Socket error %s", self.socket.errorString())
else:
# Add to recent connections if connection is successful
self.addToRecentConnections(caddr, cport, cpass)
def disconnectFromHost(self):
self.socket.disconnectFromHost()
'''
Function for disconnecting the client from the host.
'''
def disconnectedFromHost(self):
log.info("Disconnected from host")
self.disconnect(self.mainWidget.connectButton,
QtCore.SIGNAL('pressed()'), self.disconnectFromHost)
self.connect(self.mainWidget.connectButton, QtCore.SIGNAL('pressed()'),
self.connectToServer)
self.connect(self.mainWidget.passEdit,
QtCore.SIGNAL('textChanged(QString)'),
self.enableConnectButton)
self.mainWidget.connectButton.setText(self.connectString)
'''
Function for sending message to the connected server
'''
def sendMessage(self, message):
log.info("Sending message: %s", message)
block = QtCore.QByteArray()
block.append(message)
self.socket.write(block)
'''
This function is for sending the passphrase to the server. It uses the sendMessage function
'''
def sendPassphrase(self):
self.sendMessage(self.mainWidget.passEdit.text())
'''
This function is for reading message from the server
'''
def readMessage(self):
message = self.socket.read(self.socket.bytesAvailable())
log.info("Server said: %s", message)
return message
##
## Recent Connections Related
##
def loadRecentConnDB(self):
model = self.recentconndb.get_recentconn_model()
self.mainWidget.recentConnList.setModel(model)
self.mainWidget.recentConnList.setColumnHidden(
2, True) # Hide the passphrase column
'''
This function is for adding a new connection to the recent connections. It checks whether it exists in the database or not.
'''
def addToRecentConnections(self, caddr, cport, cpass):
self.recentconndb.insert_recentconn(caddr, cport, cpass)
self.loadRecentConnDB()
'''
Handler for the recent connections list. When you click on a recent connection the details of the connection are loaded
'''
def recentListHandler(self, connection):
chost = connection.sibling(connection.row(), 0).data().toString()
cport = int(connection.sibling(connection.row(), 1).data().toString())
cpass = connection.sibling(connection.row(), 2).data().toString()
self.mainWidget.hostEdit.setText(chost)
self.mainWidget.portEdit.setValue(cport)
self.mainWidget.passEdit.setText(cpass)
self.mainWidget.toolBox.setCurrentWidget(self.mainWidget.connWidget)
class QiVisClient(QtCore.QObject):
def __init__(self, name, server, serverPort, x, y, width, height):
"""__init__() -> None
initializes the client class"""
QtCore.QObject.__init__(self)
self.timer = QtCore.QTimer(self)
self.timer.setSingleShot(True)
self.timer.setInterval(1000)
self.timer.start()
self.socket = QTcpSocket()
self.current_pipeline = None
self.current_config_function = None
self.server = server # os.environ.get( 'DV3D_HW_SERVER_NAME', server )
self.serverPort = int(serverPort)
self.buffer = ""
self.pipelineQueue = []
current_pipeline = None
self.deviceName = name
self.currentTab = None
self.mainWindow = None
print " Init VisClient, server=%s, serverPort=%s, name=%s " % (str(
self.server), str(self.serverPort), str(name))
self.spreadsheetWindow = spreadsheetController.findSpreadsheetWindow(
False)
self.spreadsheetWindow.setWindowFlags(
self.spreadsheetWindow.windowFlags()
| QtCore.Qt.WindowStaysOnTopHint | QtCore.Qt.Window)
# self.spreadsheetWindow.setWindowFlags( self.spreadsheetWindow.windowFlags() | QtCore.Qt.Window )
self.spreadsheetWindow.activateWindow()
self.spreadsheetWindow.showMaximized()
self.dimensions = (x, y, width, height)
self.connectSignals()
def createTab(self, displayWidth, displayHeight, fullScreenEnabled):
self.spreadsheetWindow.addTabController('DV3D')
tabController = self.spreadsheetWindow.get_current_tab_controller()
tabController.clearTabs()
self.currentTab = DisplayWallSheetTab(tabController,
self.dimensions[0],
self.dimensions[1],
self.dimensions[2],
self.dimensions[3], displayWidth,
displayHeight, fullScreenEnabled)
tabController.addTabWidget(self.currentTab, self.deviceName)
tabController.setCurrentWidget(self.currentTab)
self.size = self.currentTab.getDimension()
print " Startup VisClient, size=%s, dims=%s, fullScreen=%s " % (str(
self.size), str(self.dimensions), str(fullScreenEnabled))
def updateCurrentTab(self):
if self.currentTab == None:
tabController = self.spreadsheetWindow.get_current_tab_controller()
# self.currentTab = tabController.tabWidgets[1]
self.currentTab = tabController.widget(1)
if self.currentTab:
self.dims = self.currentTab.getDimension()
print " UpdateCurrentTab: ntabs=%d, dims=%s " % (len(
tabController.tabWidgets), str(self.dims))
return True
return False
def connectSignals(self):
"""connectSignals() -> None
Connects all relevant signals to this class"""
self.connect(self.socket, QtCore.SIGNAL("connected()"), self.connected)
self.connect(self.socket, QtCore.SIGNAL("disconnected()"),
self.disconnected)
self.connect(self.socket, QtCore.SIGNAL("readyRead()"),
self.readDataFromSocket)
self.connect(self.timer, QtCore.SIGNAL("timeout()"),
self.retryConnection)
self.connect(self, QtCore.SIGNAL("executeNextPipeline()"),
self.executeNextPipeline)
def retryConnection(self):
"""retryConnection() -> None
this method is called once everytime self.timer ticks. It
tries to connect to the server again"""
print "retryConnection"
sys.stdout.flush()
if self.socket.state() != QTcpSocket.ConnectedState:
if self.socket.state() == QTcpSocket.UnconnectedState:
port = int(self.serverPort)
print " HWClient connecting to server at %s:%d" % (self.server,
port)
self.socket.connectToHost(self.server, port)
self.timer.start()
elif core.system.systemType in ['Windows', 'Microsoft']:
self.socket.setSocketOption(QAbstractSocket.LowDelayOption, 1)
def connected(self):
"""connected() -> None
this method is called when self.socket emits the connected() signal. It means that a succesful connection
has been established to the server"""
sender = "displayClient"
receiver = "server"
tokens = MessageTokenSep.join([
"dimensions", self.deviceName,
str(self.dimensions[0]),
str(self.dimensions[1]),
str(self.dimensions[2]),
str(self.dimensions[3])
])
reply = sender + "-" + receiver + "-" + str(len(tokens)) + ":" + tokens
print " ****** Connected to server! CellCoords = ( %d, %d ), reply: %s " % (
self.dimensions[0], self.dimensions[1], reply)
self.socket.write(reply)
def disconnected(self):
"""disconnected() -> None
this method is called when self.socket emits disconnected(). It means that the socket is no longer connected to the server"""
print "Disconnected from server"
self.timer.start()
def readDataFromSocket(self):
"""readDataFromSocket() -> None
This method is called everytime the socket sends the readyRead() signal"""
incoming = str(self.socket.readAll().data())
while incoming != "":
self.buffer += incoming
while self.buffer != "":
tokens = self.buffer.split(":")
header = tokens[0]
rest = ""
for piece in tokens[1:]:
rest += piece + ":"
rest = rest[:-1]
info = header.split("-")
if len(info) < 3:
break
(sender, receiver, size) = (info[0], info[1], info[2])
if int(size) > len(rest):
break
tokens = rest[:int(size)]
self.buffer = rest[int(size):]
# print " ********* CLIENT--> gotMessage: %s %s %s ********* " % ( str( receiver ), str( sender ), str( tokens ) )
sys.stdout.flush()
if (receiver == "displayClient"):
reply = self.processMessage((sender, tokens), self.socket)
if reply != ("", "", ""):
reply = reply[0] + "-" + reply[1] + "-" + str(
len(reply[2])) + ":" + reply[2]
self.socket.write(reply)
incoming = str(self.socket.readAll().data())
def processCommand(self, terms):
print " -- processCommand: %s " % str(terms)
if terms[0] == "reltimestep":
relTimeValue = float(terms[1])
relTimeIndex = float(terms[2])
useTimeIndex = bool(terms[3])
displayText = terms[4]
if self.current_pipeline:
for module in self.current_pipeline.module_list:
persistentCellModule = ModuleStore.getModule(module.id)
if persistentCellModule:
persistentCellModule.updateAnimation(
[relTimeValue, relTimeIndex, useTimeIndex],
displayText)
elif terms[0] == "pipelineHelper":
if self.current_config_function:
if self.current_config_function.type == 'leveling':
range = list(self.current_config_function.range)
cmd_args = terms[1].split('-')
iRangeArg = int(cmd_args[1])
range[iRangeArg] = float(terms[2])
# print " --- PipelineHelper: set range = ", str( range )
self.current_config_function.broadcastLevelingData(range)
else:
pass
# print " --- PipelineHelper, config type: ", self.current_config_function.type
else:
if self.current_pipeline:
for module in self.current_pipeline.module_list:
persistentCellModule = ModuleStore.getModule(module.id)
if persistentCellModule:
persistentCellModule.updateConfigurationObserver(
terms[0], terms[1:])
# if terms[0] == 'colormap':
# cmapData = terms[1]
# displayText = terms[2]
# for module in self.current_pipeline.module_list:
# persistentCellModule = ModuleStore.getModule( module.id )
# persistentCellModule.setColormap( cmapData )
# persistentCellModule.updateTextDisplay( displayText )
def processEvent(self, terms):
"""processEvent(message: String) -> None
decodifies the event received by the server and posts it to QT's event handler. In order
to do this, we must send three events: the first one disables this client's method that
would send events to the server. The second is the actual event we want processed and the third
reenables event sending to the server. This must be done to avoid a deadlock"""
def decodeMouseEvent(event, screenDims):
"""decodeMouseEvent(event: String) -> QtGui.QMouseEvent
this method receives a string and returns the corresponding mouse event"""
pos = (int(float(event[2]) * screenDims[0]),
int(float(event[3]) * screenDims[1]))
if event[1] == "left":
button = QtCore.Qt.LeftButton
elif event[1] == "right":
button = QtCore.Qt.RightButton
if event[0] == "singleClick":
t = QtCore.QEvent.MouseButtonPress
elif event[0] == "mouseMove":
t = QtCore.QEvent.MouseMove
button = QtCore.Qt.NoButton
elif event[0] == "mouseRelease":
t = QtCore.QEvent.MouseButtonRelease
button = QtCore.Qt.MouseButton(button)
m = QtCore.Qt.NoModifier
if event[4] == "shift":
m = QtCore.Qt.ShiftModifier
elif event[4] == "ctrl":
m = QtCore.Qt.ControlModifier
elif event[4] == "alt":
m = QtCore.Qt.AltModifier
# print " Client process %s %s event: pos = %s, screenDims=%s " % ( button, event[0], str( pos ), str( screenDims ) )
return QtGui.QMouseEvent(t, QtCore.QPoint(pos[0], pos[1]), button,
button, m)
def decodeKeyEvent(event):
"""decodeKeyEvent(event: String) -> QtGui.QKeyEvent
this method receives a string and returns the corresponding Key event"""
type = None
if event[0] == "keyPress":
type = QtCore.QEvent.KeyPress
elif event[0] == "keyRelease":
type = QtCore.QEvent.KeyRelease
key = int(event[1])
m = QtCore.Qt.NoModifier
if event[2] == "shift":
m = QtCore.Qt.ShiftModifier
elif event[2] == "ctrl":
m = QtCore.Qt.ControlModifier
elif event[2] == "alt":
m = QtCore.Qt.AltModifier
# print " Client process key event: %s " % str( event )
return QtGui.QKeyEvent(type, key, QtCore.Qt.KeyboardModifiers(m))
app = QtCore.QCoreApplication.instance()
newTab = self.updateCurrentTab()
widget = self.currentTab.getCellWidget(0,
0) if self.currentTab else None
# print " ------------- QiVisClient.processEvent: %s ---------------------" % ( str(terms) )
sys.stdout.flush()
if terms[2] == "interactionState":
if self.current_pipeline:
state = terms[3] if (len(terms) > 3) else None
altMode = terms[4] if (len(terms) > 4) else None
print " ~~~~~ Setting Client Interaction State: ", str(
state), str(altMode)
sys.stdout.flush()
for module in self.current_pipeline.module_list:
persistentModule = ModuleStore.getModule(module.id)
if persistentModule:
cf = persistentModule.updateInteractionState(
state, altMode)
if cf: self.current_config_function = cf
else:
print "Can't find client persistentModule: ", module.id
else:
newEvent = None
if terms[2] == "singleClick":
cellModules = self.getCellModules()
cpos = [float(terms[i]) for i in range(7, 10)]
cfol = [float(terms[i]) for i in range(10, 13)]
cup = [float(terms[i]) for i in range(13, 16)]
# print " >>> QiVisClient.cellModules: %s, modules: %s" % ( str( [ cellMod.id for cellMod in cellModules ] ), str( ModuleStore.getModuleIDs() ) )
for cellMod in cellModules:
persistentCellModule = ModuleStore.getModule(cellMod.id)
if persistentCellModule:
persistentCellModule.syncCamera(cpos, cfol, cup)
if terms[2] in ["singleClick", "mouseMove", "mouseRelease"]:
if self.currentTab:
screenRect = self.currentTab.getCellRect(0, 0)
screenDims = (screenRect.width(), screenRect.height())
newEvent = decodeMouseEvent(terms[2:], screenDims)
elif terms[2] in ["keyPress", "keyRelease"]:
newEvent = decodeKeyEvent(terms[2:])
if widget and newEvent:
cellWidget = widget.widget()
app.postEvent(cellWidget, newEvent)
cellWidget.setFocus()
cellWidget.update()
def executeNextPipeline(self):
if len(self.pipelineQueue) == 0:
return
pipeline = self.pipelineQueue[-1]
self.pipelineQueue.pop()
self.executePipeline(pipeline)
self.emit(QtCore.SIGNAL("executeNextPipeline()"))
def getCellModules(self):
cellModules = []
if self.current_pipeline:
for module in self.current_pipeline.module_list:
if (module.name == "MapCell3D"): cellModules.append(module)
return cellModules
def getCurrentPipeline(self):
return self.current_pipeline
def setCellLocation(self):
cellModule = None
if self.current_pipeline:
print " Executing Client Workflow, modules: "
for module in self.current_pipeline.module_list:
print str(module)
# if : cellModule = module
def executePipeline(self, pipeline):
from core.db.io import unserialize
from core.vistrail.pipeline import Pipeline
from core.interpreter.default import get_default_interpreter as getDefaultInterpreter
from core.utils import DummyView
import api
tabController = self.spreadsheetWindow.get_current_tab_controller()
pip = unserialize(str(pipeline), Pipeline)
# print " **** Client-%s ---Received Pipeline--- modules:" % str( self.dimensions )
# for module in pip.module_list:
# print " ", str(module.id)
self.current_pipeline = pip
interpreter = getDefaultInterpreter()
kwargs = {
"locator": None,
"current_version": None,
"view": DummyView(),
"aliases": {}
}
interpreter.execute(pip, **kwargs)
print "Finished Executing Pipeline"
def processMessage(self, message, socket):
(sender, tokens) = message
# print " ********* CLIENT--> processMessage: %s ********* " % str( tokens )
tokens = tokens.split(MessageTokenSep)
if (len(tokens) < 4) or (tokens[3] <> 'mouseMove'):
print " ********* CLIENT--> splitMessage: %s ********* " % str(
tokens)
if len(tokens) == 0: return
if tokens[0] == "exit":
print "Received shutdown message"
sys.stdout.flush()
socket.close()
gui.application.get_vistrails_application().quit()
gui.application.stop_application()
sys.exit(0)
if tokens[0] == "pipeline":
# print " $$$$$$$$$$$ Client-- pipeline message: %s " % str(tokens)
### we must execute a pipeline
# return ("", "", "")
if len(tokens[2:]) != 0:
for t in tokens[2:]:
tokens[1] += t + "@"
tokens[1] = tokens[1][:-1]
self.executePipeline(tokens[1])
elif tokens[0] == "interaction":
self.processEvent(tokens[1:])
elif tokens[0] == "command":
self.processCommand(tokens[3:])
elif tokens[0] == "refresh":
self.updateCurrentTab()
if self.currentTab:
widget = self.currentTab.getCell(int(tokens[1]),
int(tokens[2]))
# if widget:
# widget.swapBuffers()
return ("", "", "")
