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.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.uuid(), 'display1', peer, 'slider1')
self.z.signal_subscribe(self.z.uuid(), 'display2', peer, 'slider2')
self.z.signal_subscribe(self.z.uuid(), 'display3', peer, 'slider3')
zl.debug("Nodes are subscribed")
def closeEvent(self, *args):
zl.debug(args)
self.z.stop()
#!/usr/bin/python
from zocp import ZOCP
import logging
if __name__ == '__main__':
zl = logging.getLogger("zocp")
zl.setLevel(logging.DEBUG)
z = ZOCP()
z.set_name("ZOCP-Test")
z.register_bool("myBool", True, 'rwe')
z.register_float("myFloat", 2.3, 'rws', 0, 5.0, 0.1)
z.register_int('myInt', 10, access='rwes', min=-10, max=10, step=1)
z.register_percent('myPercent', 12, access='rw')
z.register_vec2f('myVec2', [0,0], access='rwes')
z.start()
z.run()
print("FINISH")
#!/usr/bin/python
from zocp import ZOCP
import logging
if __name__ == '__main__':
zl = logging.getLogger("zocp")
zl.setLevel(logging.DEBUG)
z = ZOCP("ZOCP-Test")
z.register_bool("myBool", True, 'rwe')
z.register_float("myFloat", 2.3, 'rws', 0, 5.0, 0.1)
z.register_int('myInt', 10, access='rwes', min=-10, max=10, step=1)
z.register_percent('myPercent', 12, access='rw')
z.register_vec2f('myVec2', [0, 0], access='rwes')
z.start()
z.run()
print("FINISH")
