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

[Chris Roy-Smith]

On 22/07/15 08:07, Chris Roy-Smith wrote:
> 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.
>
Problem solved.
Unity settings are stored using GConf.
Resetting Unity with the following:

dconf reset -f /org/compiz/

then log out and back in.
This fixed a few other mysteries at the same time (some windows could 
not be moved)
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