class MainFrame(wx.Frame):
def __init__(self):
wx.Frame.__init__(self, None, title="signalk client", size=(1000, 600))
self.value_list = []
self.client = SignalKClientFromArgs(sys.argv, True, self.on_con)
self.host_port = self.client.host_port
self.client.autoreconnect = False
ssizer = wx.FlexGridSizer(0, 1, 0, 0)
ssizer.AddGrowableRow(0)
ssizer.AddGrowableCol(0)
ssizer.SetFlexibleDirection(wx.BOTH)
ssizer.SetNonFlexibleGrowMode(wx.FLEX_GROWMODE_SPECIFIED)
self.scrolledWindow = wx.ScrolledWindow(self, wx.ID_ANY,
wx.DefaultPosition,
wx.DefaultSize,
wx.HSCROLL | wx.VSCROLL)
self.scrolledWindow.SetScrollRate(5, 5)
sizer = wx.FlexGridSizer(0, 3, 0, 0)
sizer.AddGrowableCol(2)
sizer.SetFlexibleDirection(wx.BOTH)
sizer.SetNonFlexibleGrowMode(wx.FLEX_GROWMODE_SPECIFIED)
self.values = {}
self.controls = {}
self.sliderrange = {}
self.value_list = self.client.list_values()
self.on_con(self.client)
for name in sorted(self.value_list):
sizer.Add(wx.StaticText(self.scrolledWindow, wx.ID_ANY, name), 0,
wx.ALL, 5)
self.values[name] = wx.StaticText(self.scrolledWindow, wx.ID_ANY)
sizer.Add(self.values[name], 0, wx.ALL, 5)
t = self.value_list[name]['type']
if t == 'Property':
tb = wx.TextCtrl(self.scrolledWindow, wx.ID_ANY)
sizer.Add(tb)
self.controls[name] = tb
elif t == 'BooleanProperty':
def proc(): # encapsulate to fix scope
cb = wx.CheckBox(self.scrolledWindow, wx.ID_ANY, '')
sizer.Add(cb, 0, wx.EXPAND)
self.controls[name] = cb
cbname = name
def oncheck(event):
self.client.set(cbname, cb.GetValue())
cb.Bind(wx.EVT_CHECKBOX, oncheck)
proc()
elif t == 'RangeProperty':
useSlider = True
def proc():
r = self.value_list[name]['min'], self.value_list[name][
'max']
if useSlider:
s = wx.Slider(self.scrolledWindow)
s.SetRange(0, 1000)
else:
s = wx.SpinCtrlDouble(self.scrolledWindow)
s.SetRange(r[0], r[1])
s.SetIncrement(min(1, (r[1] - r[0]) / 100.0))
s.SetDigits(-math.log(s.GetIncrement()) /
math.log(10) + 1)
sizer.Add(s, 0, wx.EXPAND)
self.controls[name] = s
sname = name
def onspin(event):
if useSlider:
v = s.GetValue() / 1000.0 * (r[1] - r[0]) + r[0]
self.client.set(sname, v)
else:
self.client.set(sname, s.GetValue())
if useSlider:
s.Bind(wx.EVT_SLIDER, onspin)
self.sliderrange[name] = r
else:
s.Bind(wx.EVT_SPINCTRLDOUBLE, onspin)
proc()
elif t == 'EnumProperty':
def proc():
c = wx.Choice(self.scrolledWindow, wx.ID_ANY)
for choice in self.value_list[name]['choices']:
c.Append(str(choice))
sizer.Add(c, 0, wx.EXPAND)
self.controls[name] = c
cname = name
def onchoice(event):
self.client.set(cname, str(c.GetStringSelection()))
c.Bind(wx.EVT_CHOICE, onchoice)
proc()
elif t == 'ResettableValue':
def proc():
b = wx.Button(self.scrolledWindow, wx.ID_ANY, 'Reset')
sizer.Add(b, 0, wx.EXPAND)
bname = name
def onclick(event):
self.client.set(bname, 0)
b.Bind(wx.EVT_BUTTON, onclick)
proc()
else:
sizer.Add(wx.StaticText(self.scrolledWindow, wx.ID_ANY, ''))
self.scrolledWindow.SetSizer(sizer)
self.scrolledWindow.Layout()
sizer.Fit(self.scrolledWindow)
ssizer.Add(self.scrolledWindow, 1, wx.EXPAND | wx.ALL, 5)
bsizer = wx.FlexGridSizer(1, 0, 0, 0)
self.bRefresh = wx.Button(self, wx.ID_ANY, 'Refresh')
self.bRefresh.Bind(wx.EVT_BUTTON, self.Refresh)
bsizer.Add(self.bRefresh)
self.bScope = wx.Button(self, wx.ID_ANY, 'Scope')
self.bScope.Bind(
wx.EVT_BUTTON, lambda event: subprocess.Popen([
'python',
os.path.abspath(os.path.dirname(__file__)) + '/' +
'scope_wx.py'
] + sys.argv[1:]))
bsizer.Add(self.bScope)
self.bClose = wx.Button(self, wx.ID_ANY, 'Close')
self.bClose.Bind(wx.EVT_BUTTON, exit)
bsizer.Add(self.bClose)
ssizer.Add(bsizer, 1, wx.EXPAND)
self.SetSizer(ssizer)
self.Layout()
self.timer = wx.Timer(self, wx.ID_ANY)
self.timer.Start(500)
self.Bind(wx.EVT_TIMER, self.receive_messages, id=wx.ID_ANY)
self.Refresh()
def Refresh(self):
for name in self.value_list:
self.client.get(name)
def on_con(self, client):
self.SetTitle("signalk client - Connected")
for name in sorted(self.value_list):
t = self.value_list[name]['type']
if t != 'SensorValue':
client.watch(name)
else:
client.get(name)
def receive_messages(self, event):
if not self.client:
try:
host, port = self.host_port
self.client = SignalKClient(self.on_con,
host,
port,
autoreconnect=False)
self.timer.Start(100)
except socket.error:
self.timer.Start(1000)
return
while True:
result = False
try:
result = self.client.receive()
except ConnectionLost:
self.SetTitle("signalk client - Disconnected")
self.client = False
return
except:
pass
if not result:
break
for name in result:
if not 'value' in result[name]:
print 'no value', result
raise 'no value'
value = round3(result[name]['value'])
strvalue = str(value)
if len(strvalue) > 50:
strvalue = strvalue[:47] + '...'
self.values[name].SetLabel(strvalue)
if name in self.controls:
try:
if str(type(self.controls[name])
) == "<class 'wx._controls.Choice'>":
if not self.controls[name].SetStringSelection(
value):
print 'warning, invalid choice value specified'
elif str(type(self.controls[name])
) == "<class 'wx._controls.Slider'>":
r = self.sliderrange[name]
self.controls[name].SetValue(
float(value - r[0]) / (r[1] - r[0]) * 1000)
else:
self.controls[name].SetValue(value)
except:
self.controls[name].SetValue(str(value))
size = self.GetSize()
self.Fit()
self.SetSize(size)
class AutopilotControlApp(App):
def build(self):
self.client = False
self.connect(3)
Clock.schedule_interval(self.connect, 3)
Clock.schedule_interval(self.update, .1)
self.enabled = False
self.mode = 'compass'
self.heading_command = 0
self.heading = 0
self._anim = None
self.texture = Image(source='compass.png').texture
self.control = AutopilotControl()
return self.control
def connect(self, dt):
if self.client:
return
watchlist = [
'ap.enabled', 'ap.mode', 'ap.heading', 'ap.heading_command'
]
def on_con(client):
for name in watchlist:
client.watch(name)
try:
self.client = SignalKClient(on_con, autoreconnect=True)
pass
except:
return
def update(self, dt):
if not self.client:
return
result = self.client.receive()
for msg in result:
value = result[msg]['value']
if msg == 'ap.enabled' or msg == 'ap.mode':
if msg == 'ap.enabled':
self.enabled = value
else:
self.mode = value
color = 'ff0000'
if self.enabled:
colors = {
'compass': '******',
'gps': '0000ff',
'wind': 'ffff00'
}
color = colors[self.mode]
self.control.ap.text = '[color=' + color + ']AP'
elif msg == 'ap.heading':
self.control.heading_label.text = str(value)
self.control.compass.heading = value
#self.control.compass.canvas.needs_redraw = 1
elif msg == 'ap.heading_command':
self.control.heading_command_label.text = str(value)
self.heading_command = value
def onAP(self):
if not self.client:
return
self.client.set('servo.raw_command', False)
if self.enabled:
self.client.set('ap.heading_command', self.heading)
self.client.set('ap.enabled', True)
else:
self.client.set('servo.command', 0)
self.client.set('ap.enabled', False)