mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-25 04:32:33 -06:00
83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
import string
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import re
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###$ event <<expand-word>>
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###$ win <Alt-slash>
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###$ unix <Alt-slash>
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class AutoExpand:
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menudefs = [
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('edit', [
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('E_xpand Word', '<<expand-word>>'),
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]),
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]
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wordchars = string.ascii_letters + string.digits + "_"
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def __init__(self, editwin):
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self.text = editwin.text
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self.state = None
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def expand_word_event(self, event):
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curinsert = self.text.index("insert")
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curline = self.text.get("insert linestart", "insert lineend")
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if not self.state:
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words = self.getwords()
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index = 0
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else:
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words, index, insert, line = self.state
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if insert != curinsert or line != curline:
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words = self.getwords()
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index = 0
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if not words:
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self.text.bell()
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return "break"
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word = self.getprevword()
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self.text.delete("insert - %d chars" % len(word), "insert")
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newword = words[index]
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index = (index + 1) % len(words)
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if index == 0:
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self.text.bell() # Warn we cycled around
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self.text.insert("insert", newword)
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curinsert = self.text.index("insert")
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curline = self.text.get("insert linestart", "insert lineend")
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self.state = words, index, curinsert, curline
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return "break"
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def getwords(self):
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word = self.getprevword()
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if not word:
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return []
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before = self.text.get("1.0", "insert wordstart")
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wbefore = re.findall(r"\b" + word + r"\w+\b", before)
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del before
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after = self.text.get("insert wordend", "end")
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wafter = re.findall(r"\b" + word + r"\w+\b", after)
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del after
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if not wbefore and not wafter:
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return []
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words = []
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dict = {}
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# search backwards through words before
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wbefore.reverse()
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for w in wbefore:
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if dict.get(w):
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continue
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words.append(w)
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dict[w] = w
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# search onwards through words after
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for w in wafter:
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if dict.get(w):
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continue
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words.append(w)
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dict[w] = w
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words.append(word)
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return words
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def getprevword(self):
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line = self.text.get("insert linestart", "insert")
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i = len(line)
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while i > 0 and line[i-1] in self.wordchars:
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i = i-1
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return line[i:]
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