67 lines
1.9 KiB
Python
67 lines
1.9 KiB
Python
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#!/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.brailleDriver import brailleDriver
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class driver(brailleDriver):
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def __init__(self):
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brailleDriver.__init__(self)
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self._brl = None
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def initialize(self, environment):
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self.env = environment
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try:
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import brlapi
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self._brl = brlapi.Connection()
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self._deviceSize = self._brl.displaySize
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except Exception as e:
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print(e)
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self.env['runtime']['debug'].writeDebugOut(str(e),debug.debugLevel.ERROR)
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return
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self._isInitialized = True
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def getDeviceSize(self):
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if not self._isInitialized:
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return (0,0)
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if not self._deviceSize:
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return (0,0)
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return self._deviceSize
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def flush(self):
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if not self._isInitialized:
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return
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try:
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self._brl.writeText('',0)
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut('BRAILLE.flush '+str(e),debug.debugLevel.ERROR)
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def writeText(self,text):
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if not self._isInitialized:
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return
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try:
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self._brl.writeText(text)
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except Exception as e:
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self.env['runtime']['debug'].writeDebugOut('BRAILLE.writeText '+str(e),debug.debugLevel.ERROR)
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def connectDevice(self):
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self._brl = brlapi.Connection()
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def enterScreen(self, screen):
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if not self._isInitialized:
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return
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self._brl.enterTtyMode(int(screen))
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def leveScreen(self):
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if not self._isInitialized:
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return
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self._brl.leaveTtyMode()
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def shutdown(self):
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if not self._isInitialized:
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return
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self.leveScreen()
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