153 lines
5.3 KiB
Python
153 lines
5.3 KiB
Python
#!/bin/python
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# -*- coding: utf-8 -*-
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# Fenrir TTY screen reader
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# By Chrys, Storm Dragon, and contributers.
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import evdev
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import time
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from evdev import InputDevice, UInput
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from select import select
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from core import inputEvent
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from core import debug
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class driver():
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def __init__(self):
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self.iDevices = {}
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self.uDevices = {}
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self.ledDevices = {}
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def initialize(self, environment):
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self.env = environment
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self.getInputDevices()
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def shutdown(self):
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pass
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def getInputEvent(self):
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if not self.iDevices:
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return None
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if self.iDevices == {}:
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return None
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event = None
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r, w, x = select(self.iDevices, [], [], self.env['runtime']['settingsManager'].getSettingAsFloat('screen', 'screenUpdateDelay'))
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if r != []:
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for fd in r:
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event = self.iDevices[fd].read_one()
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self.env['input']['eventBuffer'].append( [self.iDevices[fd], self.uDevices[fd], event])
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if event.code != 0:
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currMapEvent = self.env['runtime']['inputDriver'].mapEvent(event)
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if not currMapEvent:
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return currMapEvent
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if currMapEvent['EventState'] in [0,1,2]:
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return currMapEvent
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return None
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def writeEventBuffer(self):
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for iDevice, uDevice, event in self.env['input']['eventBuffer']:
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self.writeUInput(uDevice, event)
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def clearEventBuffer(self):
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del self.env['input']['eventBuffer'][:]
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def writeUInput(self, uDevice, event):
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uDevice.write_event(event)
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uDevice.syn()
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def getInputDevices(self):
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# 3 pos absolute
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# 2 pos relative
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# 17 LEDs
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# 1 Keys
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# we try to filter out mices and other stuff here
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self.iDevices = map(evdev.InputDevice, (evdev.list_devices()))
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self.ledDevices = map(evdev.InputDevice, (evdev.list_devices()))
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if self.env['runtime']['settingsManager'].getSetting('keyboard', 'device').upper() == 'ALL':
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self.iDevices = {dev.fd: dev for dev in self.iDevices if 1 in dev.capabilities()}
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self.ledDevices = {dev.fd: dev for dev in self.ledDevices if 1 in dev.capabilities() and 17 in dev.capabilities()}
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elif self.env['runtime']['settingsManager'].getSetting('keyboard', 'device').upper() == 'AUTO':
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self.iDevices = {dev.fd: dev for dev in self.iDevices if 1 in dev.capabilities() and not 3 in dev.capabilities() and not 2 in dev.capabilities()}
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self.ledDevices = {dev.fd: dev for dev in self.ledDevices if 1 in dev.capabilities() and 17 in dev.capabilities() and not 3 in dev.capabilities() and not 2 in dev.capabilities()}
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else:
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self.iDevices = {dev.fd: dev for dev in self.iDevices if dev.name.upper() in self.env['runtime']['settingsManager'].getSetting('keyboard', 'device').upper()}
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self.ledDevices = {dev.fd: dev for dev in self.ledDevices if dev.name.upper() in self.env['runtime']['settingsManager'].getSetting('keyboard', 'device').upper()}
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def mapEvent(self, event):
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if not event:
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return None
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mEvent = inputEvent.inputEvent
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try:
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mEvent['EventName'] = evdev.ecodes.keys[event.code]
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mEvent['EventValue'] = event.code
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mEvent['EventSec'] = event.sec
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mEvent['EventUsec'] = event.usec
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mEvent['EventState'] = event.value
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return mEvent
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except Exception as e:
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return None
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def getNumlock(self):
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if self.ledDevices == {}:
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return True
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if self.ledDevices == None:
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return True
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for fd, dev in self.ledDevices.items():
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return 0 in dev.leds()
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return True
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def getCapslock(self):
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if self.ledDevices == {}:
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return False
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if self.ledDevices == None:
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return False
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for fd, dev in self.ledDevices.items():
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return 1 in dev.leds()
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return False
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def getScrollLock(self):
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if self.ledDevices == {}:
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return False
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if self.ledDevices == None:
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return False
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for fd, dev in self.ledDevices.items():
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return 2 in dev.leds()
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return False
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def grabDevices(self):
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for fd in self.iDevices:
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dev = self.iDevices[fd]
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cap = dev.capabilities()
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del cap[0]
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self.uDevices[fd] = UInput(
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cap,
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dev.name,
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#dev.info.vendor,
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#dev.info.product,
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#dev.version,
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#dev.info.bustype,
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#'/dev/uinput'
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)
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dev.grab()
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def releaseDevices(self):
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for fd in self.iDevices:
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try:
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self.iDevices[fd].ungrab()
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except:
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pass
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try:
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self.iDevices[fd].close()
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except:
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pass
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try:
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self.uDevices[fd].close()
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except:
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pass
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self.iDevices.clear()
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self.uDevices.clear()
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def __del__(self):
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self.releaseDevices()
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