class QTZOCPNode(QtWidgets.QWidget):
def __init__(self):
super(QTZOCPNode, self).__init__()
self.qle = QtWidgets.QTextEdit(self)
self.qle.move(1, 1)
self.qle.resize(640,480)
self.init_zocp()
self.show()
def init_zocp(self):
self.z = ZOCP()
self.z.set_node_name("QT UI TEST")
self.z.register_float("myFloat", 2.3, 'rw', 0, 5.0, 0.1)
self.notifier = QtCore.QSocketNotifier(
self.z.inbox.getsockopt(zmq.FD),
QtCore.QSocketNotifier.Read
)
self.notifier.setEnabled(True)
self.notifier.activated.connect(self.zocp_event)
self.z.on_modified = self.on_modified
self.z.start()
def zocp_event(self):
print("ZOCP EVENT START")
self.z.run_once(0)
print("ZOCP EVENT END")
def on_modified(self, peer, name, data, *args, **kwargs):
t = self.qle.toPlainText()
t = "{0}\n{1}".format(data, t)
self.qle.setPlainText(t)
def closeEvent(self, *args):
print(args)
self.z.stop()
class QTZOCPnumber(QtGui.QWidget):
def __init__(self):
super(QTZOCPnumber, self).__init__()
# Set name of Node
self.nodename = "QT LCDdisplay@%s" % socket.gethostname()
self.init_zocp()
self.initUI()
def init_zocp(self):
self.z = ZOCP()
self.z.set_node_name(self.nodename)
self.notifier = QtCore.QSocketNotifier(
self.z.inbox.getsockopt(zmq.FD),
QtCore.QSocketNotifier.Read
)
self.notifier.setEnabled(True)
self.notifier.activated.connect(self.zocp_event)
self.z.on_peer_signaled = self.on_peer_signaled
self.z.on_peer_enter = self.on_peer_enter
self.z.start()
def initUI(self):
self.lcd1 = QtGui.QLCDNumber(self)
self.lcd2 = QtGui.QLCDNumber(self)
self.lcd3 = QtGui.QLCDNumber(self)
# Register the ZOCP variables
self.z.register_int("display1", 0, access='rs')
self.z.register_int("display2", 0, access='rs')
self.z.register_int("display3", 0, access='rs')
grid = QtGui.QGridLayout()
grid.setSpacing(10)
grid.addWidget(self.lcd1, 1, 1)
grid.addWidget(self.lcd2, 1, 2)
grid.addWidget(self.lcd3, 1, 3)
self.setLayout(grid)
self.setGeometry(300, 300, 150, 70)
self.setWindowTitle(self.nodename)
self.show()
def zocp_event(self):
self.z.run_once(0)
def on_peer_signaled(self, peer, name, data, *args, **kwargs):
"""
Called when a peer signals that some of its data is modified.
peer: id of peer whose data has been changed
name: name of peer whose data has been changed
data: changed data, formatted as [emitter, value]
emitter: name of the emitter on the subscribee
value: value of the emitter
"""
zl.debug(" --> ZOCP PEER SIGNALED: %s modified %s" %(name, data))
# Check if there is data
if(len(data) > 1):
if(data[0] == "slider1"):
self.lcd1.display(data[1])
elif(data[0] == "slider2"):
self.lcd2.display(data[1])
elif(data[0] == "slider3"):
self.lcd3.display(data[1])
def on_peer_enter(self, peer, name, *args, **kwargs):
zl.debug(" -----> PEER ENTERED ",name," peer: ",peer)
# This assumes that for testing the source to connect to is running on the same computer as the
# the destination trying to connect to it is.
sourceTargetName = "QT Sliders@%s" % socket.gethostname()
if(name == sourceTargetName):
self.z.signal_subscribe(self.z.get_uuid(), 'display1', peer, 'slider1')
self.z.signal_subscribe(self.z.get_uuid(), 'display2', peer, 'slider2')
self.z.signal_subscribe(self.z.get_uuid(), 'display3', peer, 'slider3')
zl.debug("Nodes are subscribed")
def closeEvent(self, *args):
zl.debug(args)
self.z.stop()
import gi
from gi.repository import GObject
from zocp import ZOCP
import zmq
GObject.threads_init()
loop = GObject.MainLoop()
z = ZOCP()
z.set_node_name("GLibTest")
z.register_percent('myPercent', 12, access='rw')
def zocp_handle(*args, **kwargs):
z.run_once()
return True
GObject.io_add_watch(z.inbox.getsockopt(zmq.FD), GObject.PRIORITY_DEFAULT,
GObject.IO_IN, zocp_handle)
z.start()
try:
loop.run()
except Exception as e:
print(e)
finally:
z.stop()
