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| """ | |
| 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) | |