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jpayne@68
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1 """
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jpayne@68
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2 OptionMenu widget modified to allow dynamic menu reconfiguration
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jpayne@68
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3 and setting of highlightthickness
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4 """
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jpayne@68
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5 import copy
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6
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jpayne@68
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7 from tkinter import OptionMenu, _setit, StringVar, Button
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8
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jpayne@68
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9 class DynOptionMenu(OptionMenu):
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10 """
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jpayne@68
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11 unlike OptionMenu, our kwargs can include highlightthickness
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12 """
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jpayne@68
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13 def __init__(self, master, variable, value, *values, **kwargs):
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jpayne@68
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14 # TODO copy value instead of whole dict
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jpayne@68
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15 kwargsCopy=copy.copy(kwargs)
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jpayne@68
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16 if 'highlightthickness' in list(kwargs.keys()):
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jpayne@68
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17 del(kwargs['highlightthickness'])
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jpayne@68
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18 OptionMenu.__init__(self, master, variable, value, *values, **kwargs)
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jpayne@68
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19 self.config(highlightthickness=kwargsCopy.get('highlightthickness'))
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jpayne@68
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20 #self.menu=self['menu']
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21 self.variable=variable
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22 self.command=kwargs.get('command')
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23
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jpayne@68
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24 def SetMenu(self,valueList,value=None):
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jpayne@68
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25 """
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jpayne@68
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26 clear and reload the menu with a new set of options.
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jpayne@68
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27 valueList - list of new options
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28 value - initial value to set the optionmenu's menubutton to
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jpayne@68
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29 """
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jpayne@68
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30 self['menu'].delete(0,'end')
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31 for item in valueList:
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32 self['menu'].add_command(label=item,
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jpayne@68
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33 command=_setit(self.variable,item,self.command))
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34 if value:
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35 self.variable.set(value)
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36
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37 def _dyn_option_menu(parent): # htest #
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38 from tkinter import Toplevel # + StringVar, Button
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jpayne@68
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39
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40 top = Toplevel(parent)
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41 top.title("Tets dynamic option menu")
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42 x, y = map(int, parent.geometry().split('+')[1:])
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jpayne@68
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43 top.geometry("200x100+%d+%d" % (x + 250, y + 175))
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44 top.focus_set()
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45
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46 var = StringVar(top)
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47 var.set("Old option set") #Set the default value
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48 dyn = DynOptionMenu(top,var, "old1","old2","old3","old4")
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jpayne@68
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49 dyn.pack()
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50
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jpayne@68
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51 def update():
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jpayne@68
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52 dyn.SetMenu(["new1","new2","new3","new4"], value="new option set")
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jpayne@68
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53 button = Button(top, text="Change option set", command=update)
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jpayne@68
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54 button.pack()
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jpayne@68
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55
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jpayne@68
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56 if __name__ == '__main__':
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jpayne@68
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57 from idlelib.idle_test.htest import run
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jpayne@68
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58 run(_dyn_option_menu)
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