269 lines
13 KiB
Python
269 lines
13 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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from fenrirscreenreader.core import debug
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from fenrirscreenreader.core import inputData
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import os, inspect, time
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currentdir = os.path.dirname(os.path.realpath(os.path.abspath(inspect.getfile(inspect.currentframe()))))
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fenrirPath = os.path.dirname(currentdir)
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class inputManager():
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def __init__(self):
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self.setLedState = True
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self.shortcutType = 'KEY'
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def setShortcutType(self, shortcutType = 'KEY'):
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if shortcutType in ['KEY', 'BYTE']:
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self.shortcutType = shortcutType
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def getShortcutType(self):
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return self.shortcutType
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def initialize(self, environment):
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self.env = environment
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self.env['runtime']['settingsManager'].loadDriver(\
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self.env['runtime']['settingsManager'].getSetting('keyboard', 'driver'), 'inputDriver')
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# init LEDs with current state
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self.env['input']['newNumLock'] = self.env['runtime']['inputDriver'].getLedState()
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self.env['input']['oldNumLock'] = self.env['input']['newNumLock']
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self.env['input']['newCapsLock'] = self.env['runtime']['inputDriver'].getLedState(1)
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self.env['input']['oldCapsLock'] = self.env['input']['newCapsLock']
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self.env['input']['newScrollLock'] = self.env['runtime']['inputDriver'].getLedState(2)
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self.env['input']['oldScrollLock'] = self.env['input']['newScrollLock']
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self.lastDeepestInput = []
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self.env['input']['shortcutRepeat'] = 1
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self.lastInputTime = time.time()
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def shutdown(self):
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self.removeAllDevices()
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self.env['runtime']['settingsManager'].shutdownDriver('inputDriver')
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def getInputEvent(self):
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return self.env['runtime']['inputDriver'].getInputEvent()
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def handleInputEvent(self, eventData):
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self.env['runtime']['debug'].writeDebugOut('DEBUG INPUT inputMan:' + str(eventData),debug.debugLevel.INFO)
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if not eventData:
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return
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self.env['input']['prevInput'] = self.env['input']['currInput'].copy()
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if eventData['EventState'] == 0:
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if eventData['EventName'] in self.env['input']['currInput']:
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self.env['input']['currInput'].remove(eventData['EventName'])
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if len(self.env['input']['currInput']) > 1:
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self.env['input']['currInput'] = sorted(self.env['input']['currInput'])
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elif len(self.env['input']['currInput']) == 0:
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self.env['input']['shortcutRepeat'] = 1
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self.setLedState = self.handleLedStates(eventData)
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self.lastInputTime = time.time()
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elif eventData['EventState'] == 1:
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if not eventData['EventName'] in self.env['input']['currInput']:
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self.env['input']['currInput'].append(eventData['EventName'])
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if len(self.env['input']['currInput']) > 1:
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self.env['input']['currInput'] = sorted(self.env['input']['currInput'])
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if len(self.lastDeepestInput) < len(self.env['input']['currInput']):
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self.setLastDeepestInput( self.env['input']['currInput'].copy())
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elif self.lastDeepestInput == self.env['input']['currInput']:
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if time.time() - self.lastInputTime <= self.env['runtime']['settingsManager'].getSettingAsFloat('keyboard','doubleTapTimeout'):
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self.env['input']['shortcutRepeat'] += 1
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else:
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self.env['input']['shortcutRepeat'] = 1
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self.setLedState = self.handleLedStates(eventData)
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self.lastInputTime = time.time()
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elif eventData['EventState'] == 2:
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self.lastInputTime = time.time()
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self.env['input']['oldNumLock'] = self.env['input']['newNumLock']
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self.env['input']['newNumLock'] = self.env['runtime']['inputDriver'].getLedState()
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self.env['input']['oldCapsLock'] = self.env['input']['newCapsLock']
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self.env['input']['newCapsLock'] = self.env['runtime']['inputDriver'].getLedState(1)
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self.env['input']['oldScrollLock'] = self.env['input']['newScrollLock']
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self.env['input']['newScrollLock'] = self.env['runtime']['inputDriver'].getLedState(2)
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self.env['runtime']['debug'].writeDebugOut("currInput " + str(self.env['input']['currInput'] ) ,debug.debugLevel.INFO)
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if self.noKeyPressed():
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self.env['input']['prevInput'] = []
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self.setLedState = True
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def handleLedStates(self, mEvent):
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if not self.setLedState:
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return self.setLedState
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if mEvent['EventName'] == 'KEY_NUMLOCK':
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if mEvent['EventState'] == 1 and not self.env['input']['newNumLock'] == 1:
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self.env['runtime']['inputDriver'].toggleLedState()
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return False
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if mEvent['EventState'] == 0 and not self.env['input']['newNumLock'] == 0:
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self.env['runtime']['inputDriver'].toggleLedState()
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return False
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if mEvent['EventName'] == 'KEY_CAPSLOCK':
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if mEvent['EventState'] == 1 and not self.env['input']['newCapsLock'] == 1:
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self.env['runtime']['inputDriver'].toggleLedState(1)
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return False
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if mEvent['EventState'] == 0 and not self.env['input']['newCapsLock'] == 0:
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self.env['runtime']['inputDriver'].toggleLedState(1)
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return False
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if mEvent['EventName'] == 'KEY_SCROLLLOCK':
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if mEvent['EventState'] == 1 and not self.env['input']['newScrollLock'] == 1:
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self.env['runtime']['inputDriver'].toggleLedState(2)
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return False
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if mEvent['EventState'] == 0 and not self.env['input']['newScrollLock'] == 0:
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self.env['runtime']['inputDriver'].toggleLedState(2)
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return False
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return self.setLedState
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def grabAllDevices(self):
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if self.env['runtime']['settingsManager'].getSettingAsBool('keyboard', 'grabDevices'):
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self.env['runtime']['inputDriver'].grabAllDevices()
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def updateInputDevices(self):
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try:
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self.env['runtime']['inputDriver'].updateInputDevices()
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except:
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pass
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def removeAllDevices(self):
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try:
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self.env['runtime']['inputDriver'].removeAllDevices()
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except:
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pass
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def convertEventName(self, eventName):
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if not eventName:
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return ''
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if eventName == '':
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return ''
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eventName = eventName.upper()
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if eventName == 'KEY_LEFTCTRL':
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eventName = 'KEY_CTRL'
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elif eventName == 'KEY_RIGHTCTRL':
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eventName = 'KEY_CTRL'
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elif eventName == 'KEY_LEFTSHIFT':
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eventName = 'KEY_SHIFT'
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elif eventName == 'KEY_RIGHTSHIFT':
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eventName = 'KEY_SHIFT'
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elif eventName == 'KEY_LEFTALT':
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eventName = 'KEY_ALT'
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elif eventName == 'KEY_RIGHTALT':
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eventName = 'KEY_ALT'
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elif eventName == 'KEY_LEFTMETA':
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eventName = 'KEY_META'
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elif eventName == 'KEY_RIGHTMETA':
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eventName = 'KEY_META'
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if self.isFenrirKey(eventName):
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eventName = 'KEY_FENRIR'
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if self.isScriptKey(eventName):
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eventName = 'KEY_SCRIPT'
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return eventName
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def clearEventBuffer(self):
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self.env['runtime']['inputDriver'].clearEventBuffer()
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def setLastDeepestInput(self, currentDeepestInput):
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self.lastDeepestInput = currentDeepestInput
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def clearLastDeepInput(self):
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self.lastDeepestInput = []
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def getLastInputTime(self):
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return self.lastInputTime
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def getLastDeepestInput(self):
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return self.lastDeepestInput
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def writeEventBuffer(self):
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try:
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if self.env['runtime']['settingsManager'].getSettingAsBool('keyboard', 'grabDevices'):
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self.env['runtime']['inputDriver'].writeEventBuffer()
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self.clearEventBuffer()
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut("Error while writeUInput",debug.debugLevel.ERROR)
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self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)
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def noKeyPressed(self):
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return self.env['input']['currInput'] == []
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def isKeyPress(self):
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return (self.env['input']['prevInput'] == []) and (self.env['input']['currInput'] != [])
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def getPrevDeepestShortcut(self):
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shortcut = []
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shortcut.append(self.env['input']['shortcutRepeat'])
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shortcut.append(self.getLastDeepestInput())
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return str(shortcut)
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def getPrevShortcut(self):
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shortcut = []
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shortcut.append(self.env['input']['shortcutRepeat'])
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shortcut.append(self.env['input']['prevInput'])
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return str(shortcut)
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def getCurrShortcut(self, inputSequence = None):
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shortcut = []
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shortcut.append(self.env['input']['shortcutRepeat'])
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if inputSequence:
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shortcut.append(inputSequence)
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else:
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shortcut.append(self.env['input']['currInput'])
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if len(self.env['input']['prevInput']) < len(self.env['input']['currInput']):
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if self.env['input']['shortcutRepeat'] > 1 and not self.shortcutExists(str(shortcut)):
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shortcut = []
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self.env['input']['shortcutRepeat'] = 1
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shortcut.append(self.env['input']['shortcutRepeat'])
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shortcut.append(self.env['input']['currInput'])
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self.env['runtime']['debug'].writeDebugOut("currShortcut " + str(shortcut) ,debug.debugLevel.INFO)
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return str(shortcut)
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def currKeyIsModifier(self):
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if len(self.getLastDeepestInput()) != 1:
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return False
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return (self.env['input']['currInput'][0] =='KEY_FENRIR') or (self.env['input']['currInput'][0] == 'KEY_SCRIPT')
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def isFenrirKey(self, eventName):
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return eventName in self.env['input']['fenrirKey']
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def isScriptKey(self, eventName):
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return eventName in self.env['input']['scriptKey']
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def getCommandForShortcut(self, shortcut):
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if not self.shortcutExists(shortcut):
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return ''
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return self.env['bindings'][shortcut]
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def shortcutExists(self, shortcut):
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return(shortcut in self.env['bindings'])
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def loadShortcuts(self, kbConfigPath=fenrirPath + '/../../config/keyboard/desktop.conf'):
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kbConfig = open(kbConfigPath,"r")
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while(True):
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invalid = False
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line = kbConfig.readline()
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if not line:
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break
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line = line.replace('\n','')
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if line.replace(" ","") == '':
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continue
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if line.replace(" ","").startswith("#"):
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continue
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if line.count("=") != 1:
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continue
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sepLine = line.split('=')
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commandName = sepLine[1].upper()
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sepLine[0] = sepLine[0].replace(" ","")
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sepLine[0] = sepLine[0].replace("'","")
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sepLine[0] = sepLine[0].replace('"',"")
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keys = sepLine[0].split(',')
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shortcutKeys = []
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shortcutRepeat = 1
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shortcut = []
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for key in keys:
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try:
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shortcutRepeat = int(key)
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except:
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if not self.isValidKey(key.upper()):
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self.env['runtime']['debug'].writeDebugOut("invalid key : "+ key.upper() + ' command:' +commandName ,debug.debugLevel.WARNING)
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invalid = True
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break
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shortcutKeys.append(key.upper())
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if invalid:
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continue
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shortcut.append(shortcutRepeat)
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shortcut.append(sorted(shortcutKeys))
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if len(shortcutKeys) != 1 and not 'KEY_FENRIR' in shortcutKeys:
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self.env['runtime']['debug'].writeDebugOut("invalid shortcut (missing KEY_FENRIR): "+ str(shortcut) + ' command:' +commandName ,debug.debugLevel.ERROR)
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continue
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self.env['runtime']['debug'].writeDebugOut("Shortcut: "+ str(shortcut) + ' command:' +commandName ,debug.debugLevel.INFO, onAnyLevel=True)
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self.env['bindings'][str(shortcut)] = commandName
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kbConfig.close()
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# fix bindings
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self.env['bindings'][str([1, ['KEY_F1', 'KEY_FENRIR']])] = 'TOGGLE_TUTORIAL_MODE'
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def isValidKey(self, key):
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return key in inputData.keyNames
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