#!/usr/bin/env python
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import gnomeapplet
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import gtk
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import mosquitto
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import sys
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class CurrentCostMQTT(gnomeapplet.Applet):
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def on_message(self, mosq, obj, msg):
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# Message format is "power"
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self.label.set_text(msg.payload+"W")
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def set_label(self, val):
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self.label.set_text(val)
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def on_change_background(self, applet, type, color, pixmap):
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applet.set_style(None)
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applet.modify_style(gtk.RcStyle())
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if type == gnomeapplet.COLOR_BACKGROUND:
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applet.modify_bg(gtk.STATE_NORMAL, color)
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elif type == gnomeapplet.PIXMAP_BACKGROUND:
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style = applet.get_style().copy()
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style.bg_pixmap[gtk.STATE_NORMAL] = pixmap
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applet.set_style(style)
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def show_menu(self, widget, event):
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print "menu"
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def __init__(self, applet, iid):
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self.applet = applet
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self.label = gtk.Label("0W")
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self.event_box = gtk.EventBox()
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self.event_box.add(self.label)
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self.event_box.set_events(gtk.gdk.BUTTON_PRESS_MASK)
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self.event_box.connect("button_press_event", self.show_menu)
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self.applet.add(self.event_box)
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self.applet.set_background_widget(applet)
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self.applet.show_all()
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self.mosq = mosquitto.Mosquitto()
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self.mosq.on_message = self.on_message
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self.mosq.connect("localhost")
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self.mosq.loop_start()
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self.mosq.subscribe("sensors/cc128/ch1", 0)
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self.applet.connect('change-background', self.on_change_background)
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def CurrentCostMQTT_factory(applet, iid):
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CurrentCostMQTT(applet, iid)
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return gtk.TRUE
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if len(sys.argv) == 2:
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if sys.argv[1] == "-d": #Debug mode
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main_window = gtk.Window(gtk.WINDOW_TOPLEVEL)
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main_window.set_title("Python Applet")
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main_window.connect("destroy", gtk.main_quit)
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app = gnomeapplet.Applet()
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CurrentCostMQTT_factory(app,None)
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app.reparent(main_window)
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main_window.show_all()
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gtk.main()
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sys.exit()
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if __name__ == '__main__':
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gnomeapplet.bonobo_factory("OAFIID:CurrentCostMQTT_Factory", gnomeapplet.Applet.__gtype__, "MQTT", "0", CurrentCostMQTT_factory)
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