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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)
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