[Tkinter-discuss] Fwd: WxPython -> Tkinter
Olrik Lenstra
o.lenstra at gmail.com
Sun Nov 2 18:26:26 CET 2008
I see. So I will have to go about and change all the Tk.Button() to
ttk.Button()?
The program I am making will be for the windows OS only.
Is the syntax for ttk the same as for Tkinter?
Regards,
Olrik
2008/11/2 Guilherme Polo <ggpolo at gmail.com>:
> On Sun, Nov 2, 2008 at 12:34 PM, Olrik Lenstra <o.lenstra at gmail.com> wrote:
>> I would like to thank you already for all the help you've given me, it
>> is really appreciated :)
>
> You are welcome.
>
>> I decided to update to Python2.6 instead of using the tile pack. My
>> application now shows the GUI again.
>> So I added the code you gave me to prevent the window from hanging
>> once I execute my scan.
>> I get the following Traceback:
>>
>> D:\Documents\OLPrograms\TroubleShooting Olrik\sourcecode\TSO(source)>python TSO.
>> pyw
>> Exception in Tkinter callback
>> Traceback (most recent call last):
>> File "D:\Python26\lib\lib-tk\Tkinter.py", line 1410, in __call__
>> return self.func(*args)
>> File "D:\Documents\OLPrograms\TroubleShooting Olrik\sourcecode\TSO(source)\TSO
>> main.pyw", line 29, in OnScan
>> TSOscn.Scan(root, status)
>> File "D:\Documents\OLPrograms\TroubleShooting Olrik\sourcecode\TSO(source)\TSO
>> scn.pyw", line 23, in Scan
>> TSOex.safe_yield(Frame, True)
>> File "D:\Documents\OLPrograms\TroubleShooting Olrik\sourcecode\TSO(source)\TSO
>> ex.pyw", line 75, in safe_yield
>> window_disabler(window)
>> File "D:\Documents\OLPrograms\TroubleShooting Olrik\sourcecode\TSO(source)\TSO
>> ex.pyw", line 90, in window_disabler
>> if widget.instate(['!disabled']):
>> AttributeError: Button instance has no attribute 'instate'
>>
>
> That is because Button is not a ttk.Button, but a "normal"
> Tkinter.Button. I didn't know before you would be using windows, but
> since this is the case, you may try substituting the use of instate
> and state calls (that are available only for ttk widgets) by the use
> of widget.wm_attributes('-disabled', 1),
> widget.wm_attributes('-disabled', 0) and
> widget.wm_attributes('-disabled'). I will be able to test it here
> later since my new pc arrived with a windows vista.
>
>> D:\Documents\OLPrograms\TroubleShooting Olrik\sourcecode\TSO(source)>
>>
>> I don't know if it makes a difference, But I think you should know
>> that I use different files that import other applications (made by me)
>> Example:
>>
>> TSO.pyw is the main script, this looks if the very first argument is
>> "TSO.pyw", if it is, run "TSOmain.TSO()"
>> TSOmain.pyw is the GUI and the GUI only, from there it calls other files etc.
>> I hope that wasn't too confusing.
>>
>> Thanks again, I really appreciate it.
>>
>> Regards,
>> Olrik
>>
>> 2008/11/2 Guilherme Polo <ggpolo at gmail.com>:
>>> On Sun, Nov 2, 2008 at 10:34 AM, Olrik Lenstra <o.lenstra at gmail.com> wrote:
>>>> Hmm, I'm a bit stumped.
>>>> I installed the ttk module and tried applying the code.
>>>> However when I ran my code it gave me an error.
>>>> I thought I might have left a small typo in or something and removed
>>>> the code to check my own.
>>>>
>>>> After I removed the ttk import and code it wouldn't even run my own code again.
>>>> Below is the Traceback:
>>>>
>>>> C:\Users\Olrik Lenstra\Desktop\TroubleShooting Olrik>python TSO.pyw
>>>> Traceback (most recent call last):
>>>> File "TSO.pyw", line 24, in <module>
>>>> import TSOmain
>>>> File "C:\Users\Olrik Lenstra\Desktop\TroubleShooting Olrik\TSOmain.pyw", line
>>>> 79, in <module>
>>>> TSO()
>>>> File "C:\Users\Olrik Lenstra\Desktop\TroubleShooting Olrik\TSOmain.pyw", line
>>>> 37, in TSO
>>>> root = Tk.Tk()
>>>> File "D:\Python25\lib\lib-tk\Tkinter.py", line 1638, in __init__
>>>> self._loadtk()
>>>> File "D:\Python25\lib\site-packages\ttk.py", line 50, in _wrapper
>>>> self.tk.eval('package require tile') # TclError may be raised here
>>>> _tkinter.TclError: can't find package tile
>>>>
>>>
>>> You don't have tile installed neither was your tkinter compiled
>>> against tcl/tk 8.5.
>>> Python 2.6 already brings tcl/tk 8.5 and tkinter compiled against them.
>>> Another option is to download tile from:
>>> http://sourceforge.net/project/showfiles.php?group_id=11464&package_id=107795
>>> (get the tile082.zip so you have to do nothing at all). Then unpack
>>> that somewhere. Then you have to set the environment variable
>>> TILE_LIBRARY to the directory where this was unpacked, then you should
>>> be able to run the program with ttk.
>>> You could set this environment var inside your app too:
>>>
>>> import os
>>> os.environ['TILE_LIBRARY'] = 'x:/unpacked/tile/here'
>>>
>>> import ttk
>>>
>>> ....
>>>
>>>> C:\Users\Olrik Lenstra\Desktop\TroubleShooting Olrik>
>>>>
>>>>
>>>> Regards,
>>>> Olrik
>>>>
>>>> 2008/10/29 Olrik Lenstra <o.lenstra at gmail.com>:
>>>>> So that means that you will use a ttk frame instead of the Tkinter.Frame?
>>>>> I'll see if I can get this working once I get home. (my program is on my
>>>>> Desktop and I just do some testing on my laptop)
>>>>>
>>>>> Thanks a lot so far!
>>>>> Regards,
>>>>> Olrik
>>>>>
>>>>> 2008/10/29 Guilherme Polo <ggpolo at gmail.com>
>>>>>>
>>>>>> On 10/29/08, Olrik Lenstra <o.lenstra at gmail.com> wrote:
>>>>>> > I see, Thanks a lot, I really don't wish to bother you any further, but
>>>>>> > here's my current situation.
>>>>>> > I am still a beginning programmer and I am not entirely sure where to
>>>>>> > put
>>>>>> > this code exactly.
>>>>>> >
>>>>>> > How would I go about using this code?
>>>>>> >
>>>>>>
>>>>>> It should be very similar to what you are already doing in wx.
>>>>>>
>>>>>> But, you would need to layout your toplevel (the one that is created
>>>>>> when you call Tkinter.Tk()) as this:
>>>>>>
>>>>>> There would be a ttk.Frame that would hold all the other widgets,
>>>>>> which should be all ttk widgets according to this sample. Then you
>>>>>> would call safe_yield(frame, True) in the same situations you would in
>>>>>> wx. Now it remains to check if there is the same need for this in tk
>>>>>> as there is in wx.
>>>>>>
>>>>>> Finally, a sample way to layout the widgets:
>>>>>>
>>>>>> root = Tkinter.Tk()
>>>>>> frame = ttk.Frame(root)
>>>>>> btn1 = ttk.Button(frame, text="Button 1")
>>>>>> ...
>>>>>> ... some time later:
>>>>>> safe_yield(frame, True)
>>>>>> ...
>>>>>>
>>>>>> > Thank you so much in advance.
>>>>>> > Regards,
>>>>>> > Olrik
>>>>>> >
>>>>>> > 2008/10/29 Guilherme Polo <ggpolo at gmail.com>
>>>>>> >
>>>>>> > >
>>>>>> > >
>>>>>> > >
>>>>>> > > ---------- Forwarded message ----------
>>>>>> > > From: Guilherme Polo <ggpolo at gmail.com>
>>>>>> > > Date: Oct 29, 2008 9:16 AM
>>>>>> > > Subject: Re: [Tkinter-discuss] WxPython -> Tkinter
>>>>>> > > To: Olrik Lenstra <o.lenstra at gmail.com>
>>>>>> > > Cc: python-list at python.org
>>>>>> > >
>>>>>> > >
>>>>>> > > On 10/29/08, Olrik Lenstra <o.lenstra at gmail.com> wrote:
>>>>>> > > > Hello everyone,
>>>>>> > > >
>>>>>> > > > A while ago I joined the Tutor mailing list, and they helped me out
>>>>>> > with a
>>>>>> > > > question regarding wxPython.
>>>>>> > > > Now however, I have tried a program in Tkinter and I would like to
>>>>>> > > see
>>>>>> > if
>>>>>> > > > there is a similar command to "wx.SafeYield(self, True)".
>>>>>> > >
>>>>>> > >
>>>>>> > > It will be a combination of commands, not a single one. Initially I
>>>>>> > > considered this as "probably without solution", since tcl acquired a
>>>>>> > > yield command just in the 8.6a3 release, but then I looked at
>>>>>> > > wx.SafeYield code and apparently it is possible to replicate it.
>>>>>> > >
>>>>>> > > Here is an initial cut, it is very possible to contain something not
>>>>>> > > equivalent to wx.SafeYield (besides it could be improved):
>>>>>> > >
>>>>>> > >
>>>>>> > > import ttk
>>>>>> > >
>>>>>> > > inside_tkyield = False
>>>>>> > > disabled_wins = {}
>>>>>> > >
>>>>>> > > def safe_yield(window, only_if_needed=False):
>>>>>> > > window_disabler(window)
>>>>>> > >
>>>>>> > > try:
>>>>>> > > return tk_yield(window, only_if_needed)
>>>>>> > > finally:
>>>>>> > > for widget, flags in disabled_wins.iteritems():
>>>>>> > > ttk.Widget.state(widget, flags)
>>>>>> > > disabled_wins.clear()
>>>>>> > >
>>>>>> > >
>>>>>> > > def window_disabler(window):
>>>>>> > > widgets = window.children.values()
>>>>>> > > widgets.append(window)
>>>>>> > >
>>>>>> > > for widget in widgets:
>>>>>> > > if widget.instate(['!disabled']):
>>>>>> > > prev_flags = widget.state(['disabled'])
>>>>>> > > disabled_wins[widget] = prev_flags
>>>>>> > >
>>>>>> > >
>>>>>> > > def tk_yield(window, only_if_needed=False):
>>>>>> > > # wx implements this differently based on the backend it is using
>>>>>> > > global inside_tkyield
>>>>>> > > if inside_tkyield:
>>>>>> > > if not only_if_needed:
>>>>>> > > raise RuntimeError("safe_yield called recursively")
>>>>>> > >
>>>>>> > > return False
>>>>>> > >
>>>>>> > > inside_tkyield = True;
>>>>>> > >
>>>>>> > > window.update()
>>>>>> > > window.update_idletasks()
>>>>>> > >
>>>>>> > > inside_tkyield = False;
>>>>>> > >
>>>>>> > > return True
>>>>>> > >
>>>>>> > >
>>>>>> > > Note that this depends on ttk widgets
>>>>>> > > (http://pypi.python.org/pypi/pyttk) since it uses
>>>>>> > widget.state to
>>>>>> > > disable and reenable the widgets. On windows the "wm" command
>>>>>> > > supports
>>>>>> > > disabling the entire window, so it is easier if you can use it.
>>>>>> > >
>>>>>> > > [Forwarded because I sent to the wrong list first time]
>>>>>> > >
>>>>>> > >
>>>>>> > > > Below is a copy of the message to the tutor list.
>>>>>> > > >
>>>>>> > > > > Dear Mailing list,
>>>>>> > > > >
>>>>>> > > > > a while ago a few of you helped me solve an issue I had with a
>>>>>> > > GUI /
>>>>>> > scan
>>>>>> > > > > program that I made.
>>>>>> > > > > The problem was that when I tried to move the frame it would hang
>>>>>> > until
>>>>>> > > > the
>>>>>> > > > > scan was finished.
>>>>>> > > > > To solve this I had to add "wx.SafeYield(self, True)" to the scan
>>>>>> > > and
>>>>>> > the
>>>>>> > > > > GUI wouldn't hang any more.
>>>>>> > > > > Now I have redone the program and have written it with Tkinter
>>>>>> > instead of
>>>>>> > > > > WxPython.
>>>>>> > > > >
>>>>>> > > > > So is there a similar command for Tkinter as there is for
>>>>>> > > WxPython?
>>>>>> > > > >
>>>>>> > > > > Thanks in advance.
>>>>>> > > > > Regards,
>>>>>> > > > > Olrik
>>>>>> > > > >
>>>>>> > > >
>>>>>> > >
>>>>>> > > > _______________________________________________
>>>>>> > > > Tkinter-discuss mailing list
>>>>>> > > > Tkinter-discuss at python.org
>>>>>> > > >
>>>>>> > http://mail.python.org/mailman/listinfo/tkinter-discuss
>>>>>> > > >
>>>>>> > > >
>>>>>> > >
>>>>>> > >
>>>>>> > >
>>>>>> > > --
>>>>>> > > -- Guilherme H. Polo Goncalves
>>>>>> > >
>>>>>> > >
>>>>>> > > --
>>>>>> > > -- Guilherme H. Polo Goncalves
>>>>>> > >
>>>>>> > >
>>>>>> > >
>>>>>> > > _______________________________________________
>>>>>> > > Tkinter-discuss mailing list
>>>>>> > > Tkinter-discuss at python.org
>>>>>> > >
>>>>>> > http://mail.python.org/mailman/listinfo/tkinter-discuss
>>>>>> > >
>>>>>> >
>>>>>> >
>>>>>>
>>>>>>
>>>>>> --
>>>>>> -- Guilherme H. Polo Goncalves
>>>>>
>>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> -- Guilherme H. Polo Goncalves
>>>
>>
>
>
>
> --
> -- Guilherme H. Polo Goncalves
>
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