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58 lines
2.0 KiB
58 lines
2.0 KiB
"""
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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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import copy
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from tkinter import OptionMenu, _setit, StringVar, Button
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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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# TODO copy value instead of whole dict
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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): # htest #
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from tkinter import Toplevel # + StringVar, Button
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top = Toplevel(parent)
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top.title("Tets dynamic option menu")
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x, y = map(int, parent.geometry().split('+')[1:])
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top.geometry("200x100+%d+%d" % (x + 250, y + 175))
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top.focus_set()
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var = StringVar(top)
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var.set("Old option set") #Set the default value
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dyn = DynOptionMenu(top,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(top, text="Change option set", command=update)
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button.pack()
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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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