lib/python/Components/InputDevice.py

   1 # coding: utf-8
   2 from config import config, configfile, ConfigSlider, ConfigSubsection, ConfigYesNo, ConfigText
   3
   4 import struct, sys, time, errno
   5 from fcntl import ioctl
   6 from os import path as os_path, listdir, open as os_open, close as os_close, write as os_write, read as os_read, O_RDWR, O_NONBLOCK
   7
   8 # asm-generic/ioctl.h
   9 IOC_NRBITS = 8L
  10 IOC_TYPEBITS = 8L
  11 IOC_SIZEBITS = 13L
  12 IOC_DIRBITS = 3L
  13
  14 IOC_NRSHIFT = 0L
  15 IOC_TYPESHIFT = IOC_NRSHIFT+IOC_NRBITS
  16 IOC_SIZESHIFT = IOC_TYPESHIFT+IOC_TYPEBITS
  17 IOC_DIRSHIFT = IOC_SIZESHIFT+IOC_SIZEBITS
  18
  19 IOC_READ = 2L
  20
  21 def EVIOCGNAME(length):
  22         return (IOC_READ<<IOC_DIRSHIFT)|(length<<IOC_SIZESHIFT)|(0x45<<IOC_TYPESHIFT)|(0x06<<IOC_NRSHIFT)
  23
  24
  25 class inputDevices:
  26
  27         def __init__(self):
  28                 self.Devices = {}
  29                 self.currentDevice = ""
  30                 self.getInputDevices()
  31
  32         def getInputDevices(self):
  33                 devices = listdir("/dev/input/")
  34
  35                 for evdev in devices:
  36                         try:
  37                                 buffer = "\0"*512
  38                                 self.fd = os_open("/dev/input/" + evdev, O_RDWR | O_NONBLOCK)
  39                                 self.name = ioctl(self.fd, EVIOCGNAME(256), buffer)
  40                                 self.name = self.name[:self.name.find("\0")]
  41                                 os_close(self.fd)
  42                         except (IOError,OSError), err:
  43                                 print '[iInputDevices] getInputDevices  <ERROR: ioctl(EVIOCGNAME): ' + str(err) + ' >'
  44                                 self.name = None
  45
  46                         if self.name:
  47                                 if self.name == 'dreambox front panel':
  48                                         continue
  49                                 if self.name == "dreambox advanced remote control (native)" and config.misc.rcused.value != 0:
  50                                         continue
  51                                 if self.name == "dreambox remote control (native)" and config.misc.rcused.value == 0:
  52                                         continue
  53                                 self.Devices[evdev] = {'name': self.name, 'type': self.getInputDeviceType(self.name),'enabled': False, 'configuredName': None }
  54
  55
  56         def getInputDeviceType(self,name):
  57                 if name.find("remote control") != -1:
  58                         return "remote"
  59                 elif name.find("keyboard") != -1:
  60                         return "keyboard"
  61                 elif name.find("mouse") != -1:
  62                         return "mouse"
  63                 else:
  64                         print "Unknown device type:",name
  65                         return None
  66
  67         def getDeviceName(self, x):
  68                 if x in self.Devices.keys():
  69                         return self.Devices[x].get("name", x)
  70                 else:
  71                         return "Unknown device name"
  72
  73         def getDeviceList(self):
  74                 return sorted(self.Devices.iterkeys())
  75
  76         def getDefaultRCdeviceName(self):
  77                 if config.misc.rcused.value == 0:
  78                         for device in self.Devices.iterkeys():
  79                                 if self.Devices[device]["name"] == "dreambox advanced remote control (native)":
  80                                         return device
  81                 else:
  82                         for device in self.Devices.iterkeys():
  83                                 if self.Devices[device]["name"] == "dreambox remote control (native)":
  84                                         return device
  85
  86         def setDeviceAttribute(self, device, attribute, value):
  87                 #print "[iInputDevices] setting for device", device, "attribute", attribute, " to value", value
  88                 if self.Devices.has_key(device):
  89                         self.Devices[device][attribute] = value
  90
  91         def getDeviceAttribute(self, device, attribute):
  92                 if self.Devices.has_key(device):
  93                         if self.Devices[device].has_key(attribute):
  94                                 return self.Devices[device][attribute]
  95                 return None
  96
  97         def setEnabled(self, device, value):
  98                 oldval = self.getDeviceAttribute(device, 'enabled')
  99                 #print "[iInputDevices] setEnabled for device %s to %s from %s" % (device,value,oldval)
 100                 self.setDeviceAttribute(device, 'enabled', value)
 101                 if oldval is True and value is False:
 102                         self.setDefaults(device)
 103
 104         def setName(self, device, value):
 105                 #print "[iInputDevices] setName for device %s to %s" % (device,value)
 106                 self.setDeviceAttribute(device, 'configuredName', value)
 107
 108         #struct input_event {
 109         #       struct timeval time;    -> ignored
 110         #       __u16 type;             -> EV_REP (0x14)
 111         #       __u16 code;             -> REP_DELAY (0x00) or REP_PERIOD (0x01)
 112         #       __s32 value;            -> DEFAULTS: 700(REP_DELAY) or 100(REP_PERIOD)
 113         #}; -> size = 16
 114
 115         def setDefaults(self, device):
 116                 print "[iInputDevices] setDefaults for device %s" % (device)
 117                 self.setDeviceAttribute(device, 'configuredName', None)
 118                 event_repeat = struct.pack('iihhi', 0, 0, 0x14, 0x01, 100)
 119                 event_delay = struct.pack('iihhi', 0, 0, 0x14, 0x00, 700)
 120                 fd = os_open("/dev/input/" + device, O_RDWR)
 121                 os_write(fd, event_repeat)
 122                 os_write(fd, event_delay)
 123                 os_close(fd)
 124
 125         def setRepeat(self, device, value): #REP_PERIOD
 126                 if self.getDeviceAttribute(device, 'enabled') == True:
 127                         print "[iInputDevices] setRepeat for device %s to %d ms" % (device,value)
 128                         event = struct.pack('iihhi', 0, 0, 0x14, 0x01, int(value))
 129                         fd = os_open("/dev/input/" + device, O_RDWR)
 130                         os_write(fd, event)
 131                         os_close(fd)
 132
 133         def setDelay(self, device, value): #REP_DELAY
 134                 if self.getDeviceAttribute(device, 'enabled') == True:
 135                         print "[iInputDevices] setDelay for device %s to %d ms" % (device,value)
 136                         event = struct.pack('iihhi', 0, 0, 0x14, 0x00, int(value))
 137                         fd = os_open("/dev/input/" + device, O_RDWR)
 138                         os_write(fd, event)
 139                         os_close(fd)
 140
 141
 142 class InitInputDevices:
 143
 144         def __init__(self):
 145                 self.currentDevice = ""
 146                 self.createConfig()
 147
 148         def createConfig(self, *args):
 149                 config.inputDevices = ConfigSubsection()
 150                 for device in sorted(iInputDevices.Devices.iterkeys()):
 151                         self.currentDevice = device
 152                         #print "[InitInputDevices] -> creating config entry for device: %s -> %s  " % (self.currentDevice, iInputDevices.Devices[device]["name"])
 153                         self.setupConfigEntries(self.currentDevice)
 154                         self.currentDevice = ""
 155
 156         def inputDevicesEnabledChanged(self,configElement):
 157                 if self.currentDevice != "" and iInputDevices.currentDevice == "":
 158                         iInputDevices.setEnabled(self.currentDevice, configElement.value)
 159                 elif iInputDevices.currentDevice != "":
 160                         iInputDevices.setEnabled(iInputDevices.currentDevice, configElement.value)
 161
 162         def inputDevicesNameChanged(self,configElement):
 163                 if self.currentDevice != "" and iInputDevices.currentDevice == "":
 164                         iInputDevices.setName(self.currentDevice, configElement.value)
 165                         if configElement.value != "":
 166                                 devname = iInputDevices.getDeviceAttribute(self.currentDevice, 'name')
 167                                 if devname != configElement.value:
 168                                         cmd = "config.inputDevices." + self.currentDevice + ".enabled.value = False"
 169                                         exec (cmd)
 170                                         cmd = "config.inputDevices." + self.currentDevice + ".enabled.save()"
 171                                         exec (cmd)
 172                 elif iInputDevices.currentDevice != "":
 173                         iInputDevices.setName(iInputDevices.currentDevice, configElement.value)
 174
 175         def inputDevicesRepeatChanged(self,configElement):
 176                 if self.currentDevice != "" and iInputDevices.currentDevice == "":
 177                         iInputDevices.setRepeat(self.currentDevice, configElement.value)
 178                 elif iInputDevices.currentDevice != "":
 179                         iInputDevices.setRepeat(iInputDevices.currentDevice, configElement.value)
 180
 181         def inputDevicesDelayChanged(self,configElement):
 182                 if self.currentDevice != "" and iInputDevices.currentDevice == "":
 183                         iInputDevices.setDelay(self.currentDevice, configElement.value)
 184                 elif iInputDevices.currentDevice != "":
 185                         iInputDevices.setDelay(iInputDevices.currentDevice, configElement.value)
 186
 187         def setupConfigEntries(self,device):
 188                 cmd = "config.inputDevices." + device + " = ConfigSubsection()"
 189                 exec (cmd)
 190                 cmd = "config.inputDevices." + device + ".enabled = ConfigYesNo(default = False)"
 191                 exec (cmd)
 192                 cmd = "config.inputDevices." + device + ".enabled.addNotifier(self.inputDevicesEnabledChanged,config.inputDevices." + device + ".enabled)"
 193                 exec (cmd)
 194                 cmd = "config.inputDevices." + device + '.name = ConfigText(default="")'
 195                 exec (cmd)
 196                 cmd = "config.inputDevices." + device + ".name.addNotifier(self.inputDevicesNameChanged,config.inputDevices." + device + ".name)"
 197                 exec (cmd)
 198                 cmd = "config.inputDevices." + device + ".repeat = ConfigSlider(default=100, increment = 10, limits=(0, 500))"
 199                 exec (cmd)
 200                 cmd = "config.inputDevices." + device + ".repeat.addNotifier(self.inputDevicesRepeatChanged,config.inputDevices." + device + ".repeat)"
 201                 exec (cmd)
 202                 cmd = "config.inputDevices." + device + ".delay = ConfigSlider(default=700, increment = 100, limits=(0, 5000))"
 203                 exec (cmd)
 204                 cmd = "config.inputDevices." + device + ".delay.addNotifier(self.inputDevicesDelayChanged,config.inputDevices." + device + ".delay)"
 205                 exec (cmd)
 206
 207
 208 iInputDevices = inputDevices()