buttons-eee901/buttons-eee901.py

   1 #!/usr/bin/env python
   2
   3 ##### HELPERS ################################################################
   4
   5 # !SET YOUR CONFIGURATION HERE!
   6
   7 # power button
   8 def key_power(arg):
   9   hbus = dbus.SystemBus()
  10   hobj = hbus.get_object('org.freedesktop.Hal', '/org/freedesktop/Hal/devices/computer')
  11   hifc = dbus.Interface(hobj, 'org.freedesktop.Hal.Device.SystemPowerManagement')
  12   hifc.Shutdown()
  13
  14 # sleep button
  15 def key_sleep(arg):
  16   hbus = dbus.SystemBus()
  17   hobj = hbus.get_object('org.freedesktop.Hal', '/org/freedesktop/Hal/devices/computer')
  18   hifc = dbus.Interface(hobj, 'org.freedesktop.Hal.Device.SystemPowerManagement')
  19   hifc.Suspend(0)
  20
  21 # lid
  22 def key_lid(arg):
  23   ec = os.popen('cat /proc/acpi/button/lid/LID/state','r').read().split(' ')[-1].split('\n')[0]
  24   if ec == 'closed':
  25     hbus = dbus.SystemBus()
  26     hobj = hbus.get_object('org.freedesktop.Hal', '/org/freedesktop/Hal/devices/computer')
  27     hifc = dbus.Interface(hobj, 'org.freedesktop.Hal.Device.SystemPowerManagement')
  28     hifc.Suspend(0)
  29
  30 # wlan button
  31 def key_wlan(arg):
  32   # toggle bluetooth switch
  33   hbus = dbus.SystemBus()
  34   hobj = hbus.get_object('org.freedesktop.Hal', '/org/freedesktop/Hal/devices/computer_rfkill_eeepc_wlan_wlan')
  35   hifc = dbus.Interface(hobj, 'org.freedesktop.Hal.Device.KillSwitch')
  36   cs   = hifc.GetPower()
  37   if cs == 1:
  38     ec = os.system(arg + ' start')
  39   elif cs == 0:
  40     ec = os.system(arg + ' stop')
  41
  42 # switch video mode
  43 def key_swvid(arg):
  44   global state_videomode
  45   if state_videomode == 0:
  46     # was in the internal mode, have to switch to external:
  47     ec = os.system('xrandr --output LVDS --off --output VGA --auto &')
  48     state_videomode = 1
  49   elif state_videomode == 1:
  50     # was in the external mode, have to switch to internal & external:
  51     ec = os.system('xrandr --output VGA --auto --output LVDS --auto &')
  52     state_videomode = 2
  53   elif state_videomode == 2:
  54     # was in the internal & external mode, have to switch to internal:
  55     ec = os.system('xrandr --output LVDS --auto --output VGA --off &')
  56     state_videomode = 0
  57
  58 # first silver button
  59 def key_coffee(arg):
  60   ec = os.system(arg)
  61
  62 # A/P button
  63 def key_prog1(arg):
  64   ec = os.system(arg)
  65
  66 # third silver button
  67 def key_prog2(arg):
  68   ec = os.system(arg)
  69
  70 # fourth silver button
  71 def key_prog3(arg):
  72   ec = os.system(arg)
  73
  74 # second silver button
  75 def key_prog4(arg):
  76   # toggle bluetooth switch
  77   hbus = dbus.SystemBus()
  78   hobj = hbus.get_object('org.freedesktop.Hal', '/org/freedesktop/Hal/devices/computer_rfkill_eeepc_bluetooth_bluetooth')
  79   hifc = dbus.Interface(hobj, 'org.freedesktop.Hal.Device.KillSwitch')
  80   cs   = hifc.GetPower()
  81   # now toggle bluetooth
  82   hifc.SetPower((cs + 1) % 2)
  83
  84 # mute button
  85 def key_mute(arg):
  86   ec = os.system(arg)
  87
  88 # volume down
  89 def key_voldn(arg):
  90   ec = os.system(arg)
  91
  92 # volume up
  93 def key_volup(arg):
  94   ec = os.system(arg)
  95
  96 ##### END HELPERS ############################################################
  97
  98 ##### CALLBACKS ##############################################################
  99
 100 #def parse(s):
 101 #  # Parse a string into a dictionary.
 102 #  # Fetch a *copy* of the default dictionary.
 103 #  ret = DEFAULTDICT.copy()
 104 #  # Split lines.
 105 #  lines = s.split('\n')
 106 #  # Loop through lines.
 107 #  for line in lines:
 108 #    # Strip whitespace.
 109 #    line = line.strip()
 110 #    # Skip comment and blank lines.
 111 #    if line and line[0] != '#':
 112 #      # Split the line in the pair key, value
 113 #      values = line.split()
 114 #      # Fill dictionary.
 115 #      ret[values[0]] = int(values[1])
 116 #  # Return dictionary.
 117 #  return ret
 118
 119 def callback(kind, key):
 120   """Handles Condition events from org.freedesktop.Hal.Device"""
 121   if kind == 'ButtonPressed':
 122     key = key.lower()
 123     try:
 124       KEYMAP[key][0](KEYMAP[key][1])
 125       print 'Executed event for key: %s' % key
 126     except KeyError:
 127       print 'No event defined for key: %s' % key
 128
 129 ##### END CALLBACKS ##########################################################
 130
 131 import os, dbus, gobject
 132 from dbus.mainloop.glib import DBusGMainLoop
 133 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
 134
 135 ## Open file: filename: ~/.buttons-eee901-rc
 136 #if os.path.exists('~/.buttons-eee901-rc') == True:
 137 #  f = file('~/.buttons-eee901-rc')
 138 #  try:
 139 #    # Read whole file as one string.
 140 #    data = f.read()
 141 #  finally:
 142 #    # Close file
 143 #    f.close()
 144 #  # Parse data string.
 145 #  config = parse(data)
 146
 147 # definition of keys
 148 KEYMAP = {
 149   'power'  : (key_power,  ('')),
 150   'sleep'  : (key_sleep,  ('')),
 151   'lid'    : (key_lid,    ('')),
 152   'wlan'   : (key_wlan,   ('wifi')),
 153   'switch-videomode' : (key_swvid, ('')),
 154   'coffee' : (key_coffee, ('xset dpms force off &')),
 155   'prog1'  : (key_prog1,  ('xterm -e top &')),
 156   'prog2'  : (key_prog2,  ('firefox &')),
 157   'prog3'  : (key_prog3,  ('sylpheed &')),
 158   'prog4'  : (key_prog4,  ('')),
 159   'mute'   : (key_mute,   ('amixer -q -c 0 set LineOut toggle &')),
 160   'volume-down' : (key_volup, ('amixer -q -c 0 set LineOut 5%- &')),
 161   'volume-up'   : (key_voldn, ('amixer -q -c 0 set LineOut 5%+ &')),
 162 }
 163
 164 # connect to the message bus
 165 hal_1 = 'org.freedesktop.Hal'
 166 hal_2 = '/org/freedesktop/Hal'
 167
 168 # video mode:
 169 # 0: internal
 170 # 1: external
 171 # 2: internal & external
 172 state_videomode = 0
 173
 174 # Connect to DBUS System Bus
 175 hbus = dbus.SystemBus()
 176
 177 # Add an event handler: Condition
 178 hbus.add_signal_receiver(callback,
 179                          dbus_interface=hal_1+".Device",
 180                          signal_name="Condition")
 181
 182 # Add an event handler: PropertyModified
 183 #hbus.add_signal_receiver(button_pressed_cb,
 184 #                         dbus_interface=hal_1+".Device",
 185 #                         signal_name="PropertyModified")
 186
 187 # Add an event handler: DeviceAdded
 188 #hbus.add_signal_receiver(button_pressed_cb,
 189 #                         dbus_interface=hal_1+".Device",
 190 #                         signal_name="DeviceAdded")
 191
 192 # Add an event handler: DeviceRemoved
 193 #hbus.add_signal_receiver(button_pressed_cb,
 194 #                         dbus_interface=hal_1+".Device",
 195 #                         signal_name="DeviceRemoved")
 196
 197 # other interesting stuff
 198
 199 #hbus = dbus.SystemBus()
 200 #hmgr = hbus.get_object(hal_1, hal_2+'/Manager')
 201 #hifc1 = dbus.Interface(hmgr, hal_1+'.Manager')
 202 #hudi = hifc1.FindDeviceByCapability('laptop_panel')
 203 #hobj = hbus.get_object('org.freedesktop.Hal', hudi[0])
 204 #hifc2 = dbus.Interface(hobj, 'org.freedesktop.Hal.Device.LaptopPanel')
 205 #hifc3 = dbus.Interface(hobj, 'org.freedesktop.Hal.Device')
 206 #print 100 * hifc2.GetBrightness() / (hifc3.GetProperty('laptop_panel.num_levels') - 1)
 207
 208 loop = gobject.MainLoop()
 209 loop.run()