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			89 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from tkinter import *
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from idlelib import SearchEngine
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from idlelib.SearchDialogBase import SearchDialogBase
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def _setup(text):
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    root = text._root()
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    engine = SearchEngine.get(root)
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    if not hasattr(engine, "_searchdialog"):
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        engine._searchdialog = SearchDialog(root, engine)
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    return engine._searchdialog
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def find(text):
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    pat = text.get("sel.first", "sel.last")
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    return _setup(text).open(text,pat)
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def find_again(text):
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    return _setup(text).find_again(text)
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def find_selection(text):
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    return _setup(text).find_selection(text)
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class SearchDialog(SearchDialogBase):
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    def create_widgets(self):
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        f = SearchDialogBase.create_widgets(self)
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        self.make_button("Find Next", self.default_command, 1)
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    def default_command(self, event=None):
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        if not self.engine.getprog():
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            return
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        self.find_again(self.text)
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    def find_again(self, text):
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        if not self.engine.getpat():
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            self.open(text)
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            return False
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        if not self.engine.getprog():
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            return False
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        res = self.engine.search_text(text)
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        if res:
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            line, m = res
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            i, j = m.span()
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            first = "%d.%d" % (line, i)
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            last = "%d.%d" % (line, j)
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            try:
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                selfirst = text.index("sel.first")
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                sellast = text.index("sel.last")
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                if selfirst == first and sellast == last:
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                    text.bell()
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                    return False
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            except TclError:
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                pass
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            text.tag_remove("sel", "1.0", "end")
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            text.tag_add("sel", first, last)
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            text.mark_set("insert", self.engine.isback() and first or last)
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            text.see("insert")
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            return True
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        else:
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            text.bell()
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            return False
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    def find_selection(self, text):
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        pat = text.get("sel.first", "sel.last")
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        if pat:
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            self.engine.setcookedpat(pat)
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        return self.find_again(text)
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def _search_dialog(parent):
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    root = Tk()
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    root.title("Test SearchDialog")
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    width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
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    root.geometry("+%d+%d"%(x, y + 150))
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    text = Text(root)
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    text.pack()
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    text.insert("insert","This is a sample string.\n"*10)
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    def show_find():
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        text.tag_add(SEL, "1.0", END)
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        s = _setup(text)
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        s.open(text)
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        text.tag_remove(SEL, "1.0", END)
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    button = Button(root, text="Search", command=show_find)
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    button.pack()
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if __name__ == '__main__':
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    from idlelib.idle_test.htest import run
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    run(_search_dialog)
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