1 """ 2 OptionMenu widget modified to allow dynamic menu reconfiguration 3 and setting of highlightthickness 4 """ 5 import copy 6 from Tkinter import OptionMenu, _setit, StringVar, Button 7 8 class DynOptionMenu(OptionMenu): 9 """ 10 unlike OptionMenu, our kwargs can include highlightthickness 11 """ 12 def __init__(self, master, variable, value, *values, **kwargs): 13 # TODO copy value instead of whole dict 14 kwargsCopy=copy.copy(kwargs) 15 if 'highlightthickness' in kwargs.keys(): 16 del(kwargs['highlightthickness']) 17 OptionMenu.__init__(self, master, variable, value, *values, **kwargs) 18 self.config(highlightthickness=kwargsCopy.get('highlightthickness')) 19 #self.menu=self['menu'] 20 self.variable=variable 21 self.command=kwargs.get('command') 22 23 def SetMenu(self,valueList,value=None): 24 """ 25 clear and reload the menu with a new set of options. 26 valueList - list of new options 27 value - initial value to set the optionmenu's menubutton to 28 """ 29 self['menu'].delete(0,'end') 30 for item in valueList: 31 self['menu'].add_command(label=item, 32 command=_setit(self.variable,item,self.command)) 33 if value: 34 self.variable.set(value) 35 36 def _dyn_option_menu(parent): # htest # 37 from Tkinter import Toplevel 38 39 top = Toplevel() 40 top.title("Tets dynamic option menu") 41 top.geometry("200x100+%d+%d" % (parent.winfo_rootx() + 200, 42 parent.winfo_rooty() + 150)) 43 top.focus_set() 44 45 var = StringVar(top) 46 var.set("Old option set") #Set the default value 47 dyn = DynOptionMenu(top,var, "old1","old2","old3","old4") 48 dyn.pack() 49 50 def update(): 51 dyn.SetMenu(["new1","new2","new3","new4"], value="new option set") 52 button = Button(top, text="Change option set", command=update) 53 button.pack() 54 55 if __name__ == '__main__': 56 from idlelib.idle_test.htest import run 57 run(_dyn_option_menu) 58
