|
| 1 | +import string |
| 2 | +import re |
| 3 | + |
| 4 | +###$ event <<expand-word>> |
| 5 | +###$ win <Alt-slash> |
| 6 | +###$ unix <Alt-slash> |
| 7 | + |
| 8 | +class AutoExpand: |
| 9 | + |
| 10 | + keydefs = { |
| 11 | + '<<expand-word>>': ['<Alt-slash>'], |
| 12 | + } |
| 13 | + |
| 14 | + unix_keydefs = { |
| 15 | + '<<expand-word>>': ['<Meta-slash>'], |
| 16 | + } |
| 17 | + |
| 18 | + menudefs = [ |
| 19 | + ('edit', [ |
| 20 | + ('E_xpand word', '<<expand-word>>'), |
| 21 | + ]), |
| 22 | + ] |
| 23 | + |
| 24 | + wordchars = string.letters + string.digits + "_" |
| 25 | + |
| 26 | + def __init__(self, editwin): |
| 27 | + self.text = editwin.text |
| 28 | + self.text.wordlist = None # XXX what is this? |
| 29 | + self.state = None |
| 30 | + |
| 31 | + def expand_word_event(self, event): |
| 32 | + curinsert = self.text.index("insert") |
| 33 | + curline = self.text.get("insert linestart", "insert lineend") |
| 34 | + if not self.state: |
| 35 | + words = self.getwords() |
| 36 | + index = 0 |
| 37 | + else: |
| 38 | + words, index, insert, line = self.state |
| 39 | + if insert != curinsert or line != curline: |
| 40 | + words = self.getwords() |
| 41 | + index = 0 |
| 42 | + if not words: |
| 43 | + self.text.bell() |
| 44 | + return "break" |
| 45 | + word = self.getprevword() |
| 46 | + self.text.delete("insert - %d chars" % len(word), "insert") |
| 47 | + newword = words[index] |
| 48 | + index = (index + 1) % len(words) |
| 49 | + if index == 0: |
| 50 | + self.text.bell() # Warn we cycled around |
| 51 | + self.text.insert("insert", newword) |
| 52 | + curinsert = self.text.index("insert") |
| 53 | + curline = self.text.get("insert linestart", "insert lineend") |
| 54 | + self.state = words, index, curinsert, curline |
| 55 | + return "break" |
| 56 | + |
| 57 | + def getwords(self): |
| 58 | + word = self.getprevword() |
| 59 | + if not word: |
| 60 | + return [] |
| 61 | + before = self.text.get("1.0", "insert wordstart") |
| 62 | + wbefore = re.findall(r"\b" + word + r"\w+\b", before) |
| 63 | + del before |
| 64 | + after = self.text.get("insert wordend", "end") |
| 65 | + wafter = re.findall(r"\b" + word + r"\w+\b", after) |
| 66 | + del after |
| 67 | + if not wbefore and not wafter: |
| 68 | + return [] |
| 69 | + words = [] |
| 70 | + dict = {} |
| 71 | + # search backwards through words before |
| 72 | + wbefore.reverse() |
| 73 | + for w in wbefore: |
| 74 | + if dict.get(w): |
| 75 | + continue |
| 76 | + words.append(w) |
| 77 | + dict[w] = w |
| 78 | + # search onwards through words after |
| 79 | + for w in wafter: |
| 80 | + if dict.get(w): |
| 81 | + continue |
| 82 | + words.append(w) |
| 83 | + dict[w] = w |
| 84 | + words.append(word) |
| 85 | + return words |
| 86 | + |
| 87 | + def getprevword(self): |
| 88 | + line = self.text.get("insert linestart", "insert") |
| 89 | + i = len(line) |
| 90 | + while i > 0 and line[i-1] in self.wordchars: |
| 91 | + i = i-1 |
| 92 | + return line[i:] |
0 commit comments