| 1 | from Tkinter import *
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| 2 |
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| 3 | from idlelib import SearchEngine
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| 4 | from idlelib.SearchDialogBase import SearchDialogBase
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| 5 |
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| 6 | def _setup(text):
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| 7 | root = text._root()
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| 8 | engine = SearchEngine.get(root)
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| 9 | if not hasattr(engine, "_searchdialog"):
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| 10 | engine._searchdialog = SearchDialog(root, engine)
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| 11 | return engine._searchdialog
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| 12 |
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| 13 | def find(text):
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| 14 | pat = text.get("sel.first", "sel.last")
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| 15 | return _setup(text).open(text,pat)
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| 16 |
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| 17 | def find_again(text):
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| 18 | return _setup(text).find_again(text)
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| 19 |
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| 20 | def find_selection(text):
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| 21 | return _setup(text).find_selection(text)
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| 22 |
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| 23 | class SearchDialog(SearchDialogBase):
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| 24 |
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| 25 | def create_widgets(self):
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| 26 | f = SearchDialogBase.create_widgets(self)
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| 27 | self.make_button("Find Next", self.default_command, 1)
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| 28 |
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| 29 | def default_command(self, event=None):
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| 30 | if not self.engine.getprog():
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| 31 | return
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| 32 | self.find_again(self.text)
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| 33 |
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| 34 | def find_again(self, text):
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| 35 | if not self.engine.getpat():
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| 36 | self.open(text)
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| 37 | return False
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| 38 | if not self.engine.getprog():
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| 39 | return False
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| 40 | res = self.engine.search_text(text)
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| 41 | if res:
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| 42 | line, m = res
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| 43 | i, j = m.span()
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| 44 | first = "%d.%d" % (line, i)
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| 45 | last = "%d.%d" % (line, j)
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| 46 | try:
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| 47 | selfirst = text.index("sel.first")
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| 48 | sellast = text.index("sel.last")
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| 49 | if selfirst == first and sellast == last:
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| 50 | text.bell()
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| 51 | return False
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| 52 | except TclError:
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| 53 | pass
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| 54 | text.tag_remove("sel", "1.0", "end")
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| 55 | text.tag_add("sel", first, last)
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| 56 | text.mark_set("insert", self.engine.isback() and first or last)
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| 57 | text.see("insert")
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| 58 | return True
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| 59 | else:
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| 60 | text.bell()
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| 61 | return False
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| 62 |
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| 63 | def find_selection(self, text):
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| 64 | pat = text.get("sel.first", "sel.last")
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| 65 | if pat:
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| 66 | self.engine.setcookedpat(pat)
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| 67 | return self.find_again(text)
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