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from Tkinter import * from idlelib import SearchEngine from idlelib.SearchDialogBase import SearchDialogBase def _setup(text): root = text._root() engine = SearchEngine.get(root) if not hasattr(engine, "_searchdialog"): engine._searchdialog = SearchDialog(root, engine) return engine._searchdialog def find(text): pat = text.get("sel.first", "sel.last") return _setup(text).open(text,pat) def find_again(text): return _setup(text).find_again(text) def find_selection(text): return _setup(text).find_selection(text) class SearchDialog(SearchDialogBase): def create_widgets(self): f = SearchDialogBase.create_widgets(self) self.make_button("Find", self.default_command, 1) def default_command(self, event=None): if not self.engine.getprog(): return if self.find_again(self.text): self.close() def find_again(self, text): if not self.engine.getpat(): self.open(text) return False if not self.engine.getprog(): return False res = self.engine.search_text(text) if res: line, m = res i, j = m.span() first = "%d.%d" % (line, i) last = "%d.%d" % (line, j) try: selfirst = text.index("sel.first") sellast = text.index("sel.last") if selfirst == first and sellast == last: text.bell() return False except TclError: pass text.tag_remove("sel", "1.0", "end") text.tag_add("sel", first, last) text.mark_set("insert", self.engine.isback() and first or last) text.see("insert") return True else: text.bell() return False def find_selection(self, text): pat = text.get("sel.first", "sel.last") if pat: self.engine.setcookedpat(pat) return self.find_again(text)