""" OptionMenu widget modified to allow dynamic menu reconfiguration and setting of highlightthickness """ import copy from tkinter import OptionMenu, _setit, StringVar, Button class DynOptionMenu(OptionMenu): """ unlike OptionMenu, our kwargs can include highlightthickness """ def __init__(self, master, variable, value, *values, **kwargs): # TODO copy value instead of whole dict kwargsCopy=copy.copy(kwargs) if 'highlightthickness' in list(kwargs.keys()): del(kwargs['highlightthickness']) OptionMenu.__init__(self, master, variable, value, *values, **kwargs) self.config(highlightthickness=kwargsCopy.get('highlightthickness')) #self.menu=self['menu'] self.variable=variable self.command=kwargs.get('command') def SetMenu(self,valueList,value=None): """ clear and reload the menu with a new set of options. valueList - list of new options value - initial value to set the optionmenu's menubutton to """ self['menu'].delete(0,'end') for item in valueList: self['menu'].add_command(label=item, command=_setit(self.variable,item,self.command)) if value: self.variable.set(value) def _dyn_option_menu(parent): # htest # from tkinter import Toplevel # + StringVar, Button top = Toplevel(parent) top.title("Tets dynamic option menu") x, y = map(int, parent.geometry().split('+')[1:]) top.geometry("200x100+%d+%d" % (x + 250, y + 175)) top.focus_set() var = StringVar(top) var.set("Old option set") #Set the default value dyn = DynOptionMenu(top,var, "old1","old2","old3","old4") dyn.pack() def update(): dyn.SetMenu(["new1","new2","new3","new4"], value="new option set") button = Button(top, text="Change option set", command=update) button.pack() if __name__ == '__main__': from idlelib.idle_test.htest import run run(_dyn_option_menu) SIMPAN PERUBAHAN