114 lines
4.3 KiB
Python
114 lines
4.3 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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from fenrirscreenreader.core import debug
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import re, string
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class barrierManager():
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def __init__(self):
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self.currIsBarrier = False
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self.prefIsBarrier = False
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def initialize(self, environment):
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self.env = environment
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def shutdown(self):
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pass
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def updateBarrierChange(self, isBarrier):
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self.prefIsBarrier = self.currIsBarrier
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self.currIsBarrier = isBarrier
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def resetBarrierChange(self):
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self.currIsBarrier = False
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self.prefIsBarrier = False
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def isBarrierChange(self):
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return self.currIsBarrier != self.prefIsBarrier
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def handleLineBarrier(self, text, xCursor, yCursor, output=True, doInterrupt=True):
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isBarrier = False
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try:
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isBarrier, sayLine = self.getBarrierText(text, xCursor, yCursor)
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except Exception as e:
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return False, ''
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self.updateBarrierChange(isBarrier)
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if self.isBarrierChange():
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if output:
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if isBarrier:
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self.env['runtime']['outputManager'].playSoundIcon(soundIcon='BarrierStart', interrupt=doInterrupt)
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else:
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self.env['runtime']['outputManager'].playSoundIcon(soundIcon='BarrierEnd', interrupt=doInterrupt)
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if not isBarrier:
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sayLine = ''
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return isBarrier, sayLine
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def hasBorder(self, text, xCursor, yCursor, validBorder, barrierPos):
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# check for corners here
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lastLineNo = len(text) - 1
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if yCursor <= 0:
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if not (text[0][barrierPos] in validBorder):
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return False
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if len(text) > 1:
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if not (text[1][barrierPos] in validBorder):
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return False
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if len(text) > 2:
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if not (text[2][barrierPos] in validBorder):
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return False
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elif yCursor >= lastLineNo:
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if not (text[lastLineNo][barrierPos] in validBorder):
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return False
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if len(text) > 1:
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if not (text[lastLineNo - 1][barrierPos] in validBorder):
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return False
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if len(text) > 2:
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if not (text[lastLineNo - 2][barrierPos] in validBorder):
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return False
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else:
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if not (text[yCursor][barrierPos] in validBorder):
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return False
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if not (text[yCursor - 1][barrierPos] in validBorder):
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return False
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if not (text[yCursor + 1][barrierPos] in validBorder):
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return False
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return True
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def getBarrierText(self, text, xCursor, yCursor):
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line = text[yCursor]
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if not self.env['runtime']['settingsManager'].getSettingAsBool('barrier', 'enabled'):
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return False, line
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offset = xCursor
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leftBarriers = self.env['runtime']['settingsManager'].getSetting('barrier', 'leftBarriers')
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rightBarriers = self.env['runtime']['settingsManager'].getSetting('barrier', 'rightBarriers')
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# is the cursor at the begin or end of an entry:
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#print(line[:offset + 1].count('│'),line[offset:].count('│'))
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# start
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for b in leftBarriers:
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if line[:offset + 1].count(b) > line[offset:].count(b):
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offset = xCursor - 1
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start = line[:offset].rfind(b)
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if start != -1:
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if not self.hasBorder(text, xCursor, yCursor, leftBarriers, start):
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start = -1
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else:
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start += 1
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break
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if start == -1:
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return False, line
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# end
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for b in rightBarriers:
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end = line[start:].find(b)
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if end != -1:
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end = start + end
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if not self.hasBorder(text, xCursor, yCursor,rightBarriers, end):
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end = -1
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break
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if end == -1:
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return False, line
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if start == end:
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return False, line
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return True, line[start:end]
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