39 lines
979 B
Python
39 lines
979 B
Python
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#!/bin/python
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def getPrevChar(currX,currY, currText):
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if currText == '':
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return -1, -1, ''
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wrappedLines = currText.split('\n')
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x = currX
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y = currY
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if x - 1 < 0:
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if y - 1 > 0:
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y -= 1
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x = len(wrappedLines[y]) - 1
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else:
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x -= 1
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currChar = wrappedLines[y][x]
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return x, y, currChar
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def getCurrentChar(currX,currY, currText):
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if currText == '':
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return -1, -1, ''
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wrappedLines = currText.split('\n')
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currChar = wrappedLines[currY][currX]
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return currX, currY, currChar
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def getNextChar(currX,currY, currText):
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if currText == '':
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return -1, -1, ''
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wrappedLines = currText.split('\n')
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x = currX
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y = currY
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if x + 1 == len(wrappedLines[y]):
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if y + 1 < len(wrappedLines) - 1:
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y += 1
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x = 0
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else:
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x += 1
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currChar = wrappedLines[y][x]
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return x, y, currChar
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