186 lines
9.9 KiB
Python
186 lines
9.9 KiB
Python
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#!/bin/env python3
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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 os, sys, signal, time
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from fenrirscreenreader.core import i18n
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from fenrirscreenreader.core import settingsManager
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from fenrirscreenreader.core import debug
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from fenrirscreenreader.core.eventData import fenrirEventType
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import argparse
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class fenrirManager():
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def __init__(self):
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self.initialized = False
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cliArgs = self.handleArgs()
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if not cliArgs:
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return
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try:
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self.environment = settingsManager.settingsManager().initFenrirConfig(cliArgs, self)
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if not self.environment:
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raise RuntimeError('Cannot Initialize. Maybe the configfile is not available or not parseable')
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except RuntimeError:
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raise
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self.environment['runtime']['outputManager'].presentText(_("Start Fenrir"), soundIcon='ScreenReaderOn', interrupt=True)
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signal.signal(signal.SIGINT, self.captureSignal)
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signal.signal(signal.SIGTERM, self.captureSignal)
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self.initialized = True
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self.modifierInput = False
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self.singleKeyCommand = False
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self.command = ''
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def handleArgs(self):
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args = None
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parser = argparse.ArgumentParser(description="Fenrir Help")
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parser.add_argument('-s', '--setting', metavar='SETTING-FILE', default='/etc/fenrir/settings/settings.conf', help='Use a specified settingsfile')
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parser.add_argument('-o', '--options', metavar='SECTION#SETTING=VALUE,..', default='', help='Overwrite options in given settings file')
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parser.add_argument('-d', '--debug', action='store_true', help='Turns on Debugmode')
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parser.add_argument('-p', '--print', action='store_true', help='Print debug messages on screen')
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try:
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args = parser.parse_args()
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except Exception as e:
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parser.print_help()
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return args
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def proceed(self):
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if not self.initialized:
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return
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self.environment['runtime']['eventManager'].startMainEventLoop()
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self.shutdown()
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def handleInput(self, event):
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#startTime = time.time
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self.environment['runtime']['debug'].writeDebugOut('DEBUG INPUT fenrirMan:' + str(event),debug.debugLevel.INFO)
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if not event['Data']:
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event['Data'] = self.environment['runtime']['inputManager'].getInputEvent()
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if event['Data']:
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event['Data']['EventName'] = self.environment['runtime']['inputManager'].convertEventName(event['Data']['EventName'])
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self.environment['runtime']['inputManager'].handleInputEvent(event['Data'])
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else:
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return
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if self.environment['runtime']['inputManager'].noKeyPressed():
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self.environment['runtime']['inputManager'].clearLastDeepInput()
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if self.environment['runtime']['screenManager'].isSuspendingScreen():
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self.environment['runtime']['inputManager'].writeEventBuffer()
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else:
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if self.environment['runtime']['helpManager'].isTutorialMode():
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self.environment['runtime']['inputManager'].clearEventBuffer()
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self.detectCommand()
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if self.modifierInput:
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self.environment['runtime']['inputManager'].clearEventBuffer()
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if self.singleKeyCommand:
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if self.environment['runtime']['inputManager'].noKeyPressed():
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self.environment['runtime']['inputManager'].clearEventBuffer()
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else:
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self.environment['runtime']['inputManager'].writeEventBuffer()
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if self.environment['runtime']['inputManager'].noKeyPressed():
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self.modifierInput = False
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self.singleKeyCommand = False
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if self.environment['input']['keyForeward'] > 0:
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self.environment['input']['keyForeward'] -=1
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onInput')
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#print('handleInput:',time.time() - startTime)
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def handleExecuteCommand(self, event):
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if event['Data'] == '':
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return
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command = event['Data']
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if self.environment['runtime']['helpManager'].isTutorialMode():
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if self.environment['runtime']['commandManager'].commandExists( command, 'help'):
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self.environment['runtime']['commandManager'].executeCommand( command, 'help')
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return
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self.environment['runtime']['commandManager'].executeCommand( command, 'commands')
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def handleScreenChange(self, event):
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self.environment['runtime']['screenManager'].hanldeScreenChange(event['Data'])
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'''
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if self.environment['runtime']['applicationManager'].isApplicationChange():
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onApplicationChange')
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self.environment['runtime']['commandManager'].executeSwitchTrigger('onSwitchApplicationProfile', \
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self.environment['runtime']['applicationManager'].getPrevApplication(), \
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self.environment['runtime']['applicationManager'].getCurrentApplication())
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'''
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onScreenChanged')
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self.environment['runtime']['screenDriver'].getCurrScreen()
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def handleScreenUpdate(self, event):
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#startTime = time.time()
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self.environment['runtime']['screenManager'].handleScreenUpdate(event['Data'])
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'''
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if self.environment['runtime']['applicationManager'].isApplicationChange():
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onApplicationChange')
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self.environment['runtime']['commandManager'].executeSwitchTrigger('onSwitchApplicationProfile', \
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self.environment['runtime']['applicationManager'].getPrevApplication(), \
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self.environment['runtime']['applicationManager'].getCurrentApplication())
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'''
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# timout for the last keypress
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if time.time() - self.environment['runtime']['inputManager'].getLastInputTime() >= 0.3:
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self.environment['runtime']['inputManager'].clearLastDeepInput()
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# has cursor changed?
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if self.environment['runtime']['cursorManager'].isCursorVerticalMove() or \
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self.environment['runtime']['cursorManager'].isCursorHorizontalMove():
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onCursorChange')
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onScreenUpdate')
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self.environment['runtime']['inputManager'].clearLastDeepInput()
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#print('handleScreenUpdate:',time.time() - startTime)
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def handlePlugInputDevice(self, event):
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onPlugInputDevice', force=True)
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def handleHeartBeat(self, event):
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self.environment['runtime']['commandManager'].executeDefaultTrigger('onHeartBeat',force=True)
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#self.environment['runtime']['outputManager'].brailleText(flush=False)
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def detectCommand(self):
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if self.environment['input']['keyForeward'] > 0:
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return
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if self.environment['runtime']['inputManager'].isKeyPress():
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self.modifierInput = self.environment['runtime']['inputManager'].currKeyIsModifier()
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else:
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if not self.environment['runtime']['inputManager'].noKeyPressed():
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if self.singleKeyCommand:
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self.singleKeyCommand = len( self.environment['runtime']['inputManager'].getLastDeepestInput() ) == 1
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# key is already released. we need the old one
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if not( self.singleKeyCommand and self.environment['runtime']['inputManager'].noKeyPressed()):
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shortcut = self.environment['runtime']['inputManager'].getCurrShortcut()
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self.command = self.environment['runtime']['inputManager'].getCommandForShortcut(shortcut)
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if not self.modifierInput:
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if self.environment['runtime']['inputManager'].isKeyPress():
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if self.command != '':
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self.singleKeyCommand = True
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if not (self.singleKeyCommand or self.modifierInput):
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return
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# fire event
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if self.command != '':
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if self.modifierInput:
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self.environment['runtime']['eventManager'].putToEventQueue(fenrirEventType.ExecuteCommand, self.command)
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self.command = ''
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else:
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if self.singleKeyCommand:
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if self.environment['runtime']['inputManager'].noKeyPressed():
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self.environment['runtime']['eventManager'].putToEventQueue(fenrirEventType.ExecuteCommand, self.command)
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self.command = ''
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def shutdownRequest(self):
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try:
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self.environment['runtime']['eventManager'].stopMainEventLoop()
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except:
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pass
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def captureSignal(self, siginit, frame):
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self.shutdownRequest()
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def shutdown(self):
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self.environment['runtime']['eventManager'].stopMainEventLoop()
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self.environment['runtime']['outputManager'].presentText(_("Quit Fenrir"), soundIcon='ScreenReaderOff', interrupt=True)
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self.environment['runtime']['eventManager'].cleanEventQueue()
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time.sleep(1)
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for currManager in self.environment['general']['managerList']:
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if self.environment['runtime'][currManager]:
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self.environment['runtime'][currManager].shutdown()
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del self.environment['runtime'][currManager]
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self.environment = None
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