"""

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OptionMenu widget modified to allow dynamic menu reconfiguration

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and setting of highlightthickness

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"""

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import copy

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from Tkinter import OptionMenu, _setit, StringVar, Button

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class DynOptionMenu(OptionMenu):

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"""

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unlike OptionMenu, our kwargs can include highlightthickness

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"""

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def __init__(self, master, variable, value, *values, **kwargs):

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# TODO copy value instead of whole dict

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kwargsCopy=copy.copy(kwargs)

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if 'highlightthickness' in kwargs.keys():

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del(kwargs['highlightthickness'])

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OptionMenu.__init__(self, master, variable, value, *values, **kwargs)

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self.config(highlightthickness=kwargsCopy.get('highlightthickness'))

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#self.menu=self['menu']

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self.variable=variable

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self.command=kwargs.get('command')

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def SetMenu(self,valueList,value=None):

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"""

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clear and reload the menu with a new set of options.

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valueList - list of new options

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value - initial value to set the optionmenu's menubutton to

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"""

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self['menu'].delete(0,'end')

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for item in valueList:

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self['menu'].add_command(label=item,

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command=_setit(self.variable,item,self.command))

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if value:

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self.variable.set(value)

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def _dyn_option_menu(parent): # htest #

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from Tkinter import Toplevel

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top = Toplevel()

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top.title("Tets dynamic option menu")

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top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200,

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parent.winfo_rooty() + 150))

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top.focus_set()

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var = StringVar(top)

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var.set("Old option set") #Set the default value

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dyn = DynOptionMenu(top,var, "old1","old2","old3","old4")

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dyn.pack()

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def update():

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dyn.SetMenu(["new1","new2","new3","new4"], value="new option set")

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button = Button(top, text="Change option set", command=update)

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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(_dyn_option_menu)

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