59 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			2.0 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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| import copy
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| 
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| from tkinter import OptionMenu, _setit, StringVar, Button
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| 
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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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| 
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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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| 
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| def _dyn_option_menu(parent):  # htest #
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|     from tkinter import Toplevel # + StringVar, Button
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| 
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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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| 
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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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| 
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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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| 
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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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