132 lines
4.3 KiB
Python
132 lines
4.3 KiB
Python
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"""Displays bluetooth status (Bluez). Left mouse click launches manager app,
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right click toggles bluetooth. Needs dbus-send to toggle bluetooth state.
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Parameters:
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* bluetooth.device : the device to read state from (default is hci0)
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* bluetooth.manager : application to launch on click (blueman-manager)
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* bluetooth.dbus_destination : dbus destination (defaults to org.blueman.Mechanism)
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* bluetooth.dbus_destination_path : dbus destination path (defaults to /)
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* bluetooth.right_click_popup : use popup menu when right-clicked (defaults to True)
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"""
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import os
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import re
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import bumblebee.input
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import bumblebee.output
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import bumblebee.engine
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import bumblebee.util
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import bumblebee.popup
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import logging
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class Module(bumblebee.engine.Module):
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"""Bluetooth module."""
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def __init__(self, engine, config):
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"""Initialize."""
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super(Module, self).__init__(engine, config,
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bumblebee.output.Widget(
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full_text=self.status))
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device = self.parameter("device", "hci0")
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self.manager = self.parameter("manager", "blueman-manager")
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self._path = "/sys/class/bluetooth/{}".format(device)
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self._status = "Off"
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engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
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cmd=self.manager)
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# determine whether to use pop-up menu or simply toggle the device on/off
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right_click_popup = bumblebee.util.asbool(
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self.parameter("right_click_popup", True))
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if right_click_popup:
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engine.input.register_callback(self,
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button=bumblebee.input.RIGHT_MOUSE,
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cmd=self.popup)
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else:
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engine.input.register_callback(self,
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button=bumblebee.input.RIGHT_MOUSE,
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cmd=self._toggle)
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def status(self, widget):
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"""Get status."""
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return self._status
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def update(self, widgets):
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"""Update current state."""
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if not os.path.exists(self._path):
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self._status = "?"
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return
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# search for whichever rfkill directory available
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try:
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dirnames = next(os.walk(self._path))[1]
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for dirname in dirnames:
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m = re.match(r"rfkill[0-9]+", dirname)
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if m is not None:
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with open(os.path.join(self._path,
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dirname,
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'state'), 'r') as f:
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state = int(f.read())
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if state == 1:
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self._status = "On"
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else:
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self._status = "Off"
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return
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except IOError:
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self._status = "?"
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def manager(self, widget):
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"""Launch manager."""
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bumblebee.util.execute(self.manager)
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def popup(self, widget):
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"""Show a popup menu."""
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menu = bumblebee.popup.PopupMenu()
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if self._status == "On":
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menu.add_menuitem('Disable Bluetooth')
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elif self._status == "Off":
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menu.add_menuitem('Enable Bluetooth')
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else:
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return
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# show menu and get return code
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ret = menu.show(widget)
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if ret == 0:
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# first (and only) item selected.
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self._toggle()
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def _toggle(self, widget=None):
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"""Toggle bluetooth state."""
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if self._status == "On":
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state = "false"
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else:
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state = "true"
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dst = self.parameter("dbus_destination", "org.blueman.Mechanism")
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dst_path = self.parameter("dbus_destination_path", "/")
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cmd = "dbus-send --system --print-reply --dest={}"\
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" {} org.blueman.Mechanism.SetRfkillState"\
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" boolean:{}".format(dst, dst_path, state)
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logging.debug('bt: toggling bluetooth')
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bumblebee.util.execute(cmd)
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def state(self, widget):
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"""Get current state."""
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state = []
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if self._status == "?":
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state = ["unknown"]
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elif self._status == "On":
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state = ["ON"]
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else:
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state = ["OFF"]
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return state
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