1""" 2OptionMenu widget modified to allow dynamic menu reconfiguration 3and setting of highlightthickness 4""" 5from tkinter import OptionMenu, _setit, StringVar, Button 6 7class DynOptionMenu(OptionMenu): 8 """Add SetMenu and highlightthickness to OptionMenu. 9 10 Highlightthickness adds space around menu button. 11 """ 12 def __init__(self, master, variable, value, *values, **kwargs): 13 highlightthickness = kwargs.pop('highlightthickness', None) 14 OptionMenu.__init__(self, master, variable, value, *values, **kwargs) 15 self['highlightthickness'] = highlightthickness 16 self.variable = variable 17 self.command = kwargs.get('command') 18 19 def SetMenu(self,valueList,value=None): 20 """ 21 clear and reload the menu with a new set of options. 22 valueList - list of new options 23 value - initial value to set the optionmenu's menubutton to 24 """ 25 self['menu'].delete(0,'end') 26 for item in valueList: 27 self['menu'].add_command(label=item, 28 command=_setit(self.variable,item,self.command)) 29 if value: 30 self.variable.set(value) 31 32 33def _dyn_option_menu(parent): # htest # 34 from tkinter import Toplevel # + StringVar, Button 35 36 top = Toplevel(parent) 37 top.title("Test dynamic option menu") 38 x, y = map(int, parent.geometry().split('+')[1:]) 39 top.geometry("200x100+%d+%d" % (x + 250, y + 175)) 40 top.focus_set() 41 42 var = StringVar(top) 43 var.set("Old option set") #Set the default value 44 dyn = DynOptionMenu(top, var, "old1","old2","old3","old4", 45 highlightthickness=5) 46 dyn.pack() 47 48 def update(): 49 dyn.SetMenu(["new1","new2","new3","new4"], value="new option set") 50 button = Button(top, text="Change option set", command=update) 51 button.pack() 52 53 54if __name__ == '__main__': 55 # Only module without unittests because of intention to replace. 56 from idlelib.idle_test.htest import run 57 run(_dyn_option_menu) 58