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