264 lines
13 KiB
Python
264 lines
13 KiB
Python
#!/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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self.controlMode = True
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self.switchCtrlModeOnce = 0
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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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parser.add_argument('-e', '--emulation', action='store_true', help='Use PTY emulation')
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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 handleByteInput(self, event):
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if not event['Data']:
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return
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if event['Data'] == b'':
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return
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self.handleControlMode(event['Data'])
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if self.controlMode and not self.switchCtrlModeOnce == 1 or\
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not self.controlMode and self.switchCtrlModeOnce == 1:
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self.detectByteCommand(event['Data'])
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def handleControlMode(self, escapeSequence):
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convertedEscapeSequence = self.environment['runtime']['byteManager'].unifyEscapeSeq(escapeSequence)
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if self.switchCtrlModeOnce > 0:
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self.switchCtrlModeOnce -= 1
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if convertedEscapeSequence == b'^[R':
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self.controlMode = not self.controlMode
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self.switchCtrlModeOnce = 0
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if self.controlMode:
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self.environment['runtime']['outputManager'].presentText(_('Sticky Mode On'), soundIcon='Accept', interrupt=True, flush=True)
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else:
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self.environment['runtime']['outputManager'].presentText(_('Sticky Mode On'), soundIcon='Cancel', interrupt=True, flush=True)
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if convertedEscapeSequence == b'^[:':
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self.switchCtrlModeOnce = 2
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self.environment['runtime']['outputManager'].presentText(_('bypass'), soundIcon='PTYBypass', interrupt=True, flush=True)
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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 detectByteCommand(self, escapeSequence):
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convertedEscapeSequence = self.environment['runtime']['byteManager'].unifyEscapeSeq(escapeSequence)
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command = ''
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try:
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'''
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commands = {
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b'^[h':'toggle_tutorial_mode',
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b'^[/': 'shut_up',
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b'^[O': 'review_bottom',
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b'^[U': 'review_top',
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b'^[i': 'review_curr_line',
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b'^[u': 'review_prev_line',
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b'^[o': 'review_next_line',
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b'^[J': 'review_line_begin',
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b'^[L': 'review_line_end',
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b'^[j': 'review_line_first_char',
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b'^[L': 'review_line_last_char',
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b'^[k': 'review_curr_word',
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b'^[j': 'review_prev_word',
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b'^[l': 'review_next_word',
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b'^[,': 'review_curr_char',
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b'^[m': 'review_prev_char',
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b'^[.': 'review_next_char',
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b'^[<': 'curr_char_phonetic',
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b'^[M': 'prev_char_phonetic',
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b'^[>': 'next_char_phonetic',
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b'^[OR': 'toggle_sound',
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b'^[OS': 'toggle_speech',
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b'^[8': 'toggle_highlight_tracking',
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b'^[q': 'quit_fenrir',
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b'^[t': 'time',
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b'^[y': 'date',
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b'^[[5~': 'prev_clipboard',
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b'^[[6~': 'next_clipboard',
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b'^[C': 'curr_clipboard',
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b'^[c': 'copy_marked_to_clipboard',
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b'^[v': 'paste_clipboard',
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b'^[[15~': 'import_clipboard_from_file',
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b'^[X': 'remove_marks',
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b'^[x': 'set_mark',
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}
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'''
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command = self.environment['runtime']['inputManager'].getCommandForShortcut(convertedEscapeSequence)
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self.environment['runtime']['eventManager'].putToEventQueue(fenrirEventType.ExecuteCommand, command)
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except:
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pass
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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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