[Tutor] tkinter window not showing max, min and close buttons

[Chris Roy-Smith]

On 21/07/15 21:52, Alan Gauld wrote:
> On 21/07/15 08:15, Chris Roy-Smith wrote:
>> On 21/07/15 17:02, Alan Gauld wrote:
>>> On 21/07/15 06:05, Chris Roy-Smith wrote:
>>>> I am working my way through Alan Gauld's tutorial and have just started
>>>> the section on GUI. The windows that are created look odd with no title
>>>> bar or maximise, minimise or close window button.
>>>
>>>
>>> The simplest program that should show the icons is:
>>>
>>>  >>> import Tkinter
>>>  >>> top = Tkinter.Tk()
>>>  >>> top.mainloop()
>>>
>>> What do you  see when you type just those lines at
>>> the >>> prompt?
>>>
>> All I get is a white square, with no way to close without using kill
>>
>> I have done a bit of tinkering and have found that it is only my user
>> account that behaves this way.
>
> OK, No idea why that would be happening but it may be a Unity
> setting - I use Mint/Cinnamon  because I hated Unity...
>
> Can you try logging out and back in using a different desktop - say XFCE
> and see if that
> changes anything. That will hopefully narrow it down to a Unity v User
> settings issue.
>
> In either case it will probably be an issue for another forum since its
> unlikely to be
> a Python issue, but please keep me in the loop since it might affect
> other tutorial
> users.
>
Thanks Alan, other desktops allow correct operation. Only Unity 3D has 
the fault, Unity-2D works fine. I had not considered that the desktop 
could be the problem. I hope to find the offending file or setting in 
the Unity configuration, as I would prefer to know how to fix this if I 
need to in the future. A clean install and restore isn't an option 
because my backup also has the offending error :( I have narrowed it 
down to 1 machine, so a little detective work should identify the 
offending file.