58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
"""
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OptionMenu widget modified to allow dynamic menu reconfiguration
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and setting of highlightthickness
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"""
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from tkinter import OptionMenu, _setit, Tk, StringVar, Button
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import copy
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import re
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class DynOptionMenu(OptionMenu):
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"""
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unlike OptionMenu, our kwargs can include highlightthickness
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"""
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def __init__(self, master, variable, value, *values, **kwargs):
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#get a copy of kwargs before OptionMenu.__init__ munges them
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kwargsCopy=copy.copy(kwargs)
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if 'highlightthickness' in list(kwargs.keys()):
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del(kwargs['highlightthickness'])
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OptionMenu.__init__(self, master, variable, value, *values, **kwargs)
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self.config(highlightthickness=kwargsCopy.get('highlightthickness'))
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#self.menu=self['menu']
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self.variable=variable
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self.command=kwargs.get('command')
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def SetMenu(self,valueList,value=None):
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"""
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clear and reload the menu with a new set of options.
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valueList - list of new options
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value - initial value to set the optionmenu's menubutton to
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"""
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self['menu'].delete(0,'end')
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for item in valueList:
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self['menu'].add_command(label=item,
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command=_setit(self.variable,item,self.command))
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if value:
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self.variable.set(value)
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def _dyn_option_menu(parent):
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root = Tk()
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root.title("Tets dynamic option menu")
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var = StringVar(root)
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width, height, x, y = list(map(int, re.split('[x+]', parent.geometry())))
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root.geometry("+%d+%d"%(x, y + 150))
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var.set("Old option set") #Set the default value
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dyn = DynOptionMenu(root,var, "old1","old2","old3","old4")
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dyn.pack()
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def update():
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dyn.SetMenu(["new1","new2","new3","new4"],value="new option set")
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button = Button(root, text="Change option set", command=update)
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button.pack()
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root.mainloop()
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if __name__ == '__main__':
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from idlelib.idle_test.htest import run
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run(_dyn_option_menu)
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