From ptvrdik at genetics.utah.edu  Tue Jun 16 18:51:36 2015
From: ptvrdik at genetics.utah.edu (Petr Tvrdik)
Date: Tue, 16 Jun 2015 16:51:36 +0000
Subject: [Tkinter-discuss] IDLE can't be opened
Message-ID: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>

Hello,

I have installed Python IDLE from https://www.python.org/downloads/

When I launch the IDLE program I get the error message ?The application IDLE can?t be opened.?

However, the application WORKS IN ANOTHER ACOUNT on the same machine (Macbook Pro, mid 2010, updated to Yosemite 10.10.3)

I have also installed the latest ActiveTcl (buildno 298892) (which is the one recommended for the OS [ActiveTcl8.5.18.0.298892-macosx10.5-i386-x86_64-threaded.dmg]

What can I do to make this work? Possible interference with another tkinter? From this or the other login account?

Thank you for your input!

Best wishes,

Petr Tvrdik
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From nad at acm.org  Wed Jun 17 02:37:25 2015
From: nad at acm.org (Ned Deily)
Date: Tue, 16 Jun 2015 17:37:25 -0700
Subject: [Tkinter-discuss] IDLE can't be opened
References: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>
Message-ID: <nad-D67945.17372516062015@news.gmane.org>

In article <01AD415B-C98C-433B-95D9-59731D9D40BA at genetics.utah.edu>,
 Petr Tvrdik <ptvrdik at genetics.utah.edu> wrote:
> I have installed Python IDLE from https://www.python.org/downloads/
> 
> When I launch the IDLE program I get the error message "The application IDLE 
> can't be opened."
> 
> However, the application WORKS IN ANOTHER ACOUNT on the same machine (Macbook 
> Pro, mid 2010, updated to Yosemite 10.10.3)
> 
> I have also installed the latest ActiveTcl (buildno 298892) (which is the one 
> recommended for the OS 
> [ActiveTcl8.5.18.0.298892-macosx10.5-i386-x86_64-threaded.dmg]
> 
> What can I do to make this work? Possible interference with another tkinter? 
> From this or the other login account?

This is probably not the best list to be asking questions about problems 
using IDLE; the general Python-list might be better:

https://mail.python.org/mailman/listinfo/python-list

Nevertheless, a few suggestions: you didn't say which version of Python 
you installed and are trying to use (the currently supported versions 
are 3.4.3 and 2.7.10).  Each will install its own version of IDLE.  When 
you launch IDLE by double-clicking on its icon in an 
/Applications/Python x.x folder, many error messages that might be 
generated during launch are not displayed directly to you, rather they 
go into system logs that can be views with the Console app.  However, it 
is easier to see the errors if you try to start IDLE directly from 
within a terminal sesssion, for example with Terminal app.  If you used 
the install defaults, try typing either:

/usr/local/bin/idle3.4
or
/usr/local/bin/idle2.7

and see what happens.  There are sometimes problems due to values set in 
IDLE's per-user preference files.  You can remove them before launching 
IDLE by typing in the terminal session:

rm -r ~/.idlerc

Good luck!

-- 
 Ned Deily,
 nad at acm.org


From kw at codebykevin.com  Wed Jun 17 04:25:59 2015
From: kw at codebykevin.com (Kevin Walzer)
Date: Tue, 16 Jun 2015 22:25:59 -0400
Subject: [Tkinter-discuss] Third-party ttk themes
In-Reply-To: <mifa0f$162$1@ger.gmane.org>
References: <mifa0f$162$1@ger.gmane.org>
Message-ID: <5580DAB7.7020102@codebykevin.com>

On 5/7/15 5:07 AM, memilanuk wrote:
> So... using Anaconda 2.2.0 / Python 3.4.3 on Linux, and the only ttk 
> themes that came with are 'clam', 'alt', 'default' and 'classic'. I've 
> seen reference to other theme names like 'aqua', 'step', 'winnative', 
> 'vista' and 'xpnative'.  Are these themes - or others like them - 
> available somewhere, some sort of theme repository?
>
> Thanks,
>
> Monte
>
>
>
>
'step' may be buried in SVN or CVS somewhere; it's not maintained. The 
others ("aqua," "winnative," "vista," and "winnative") are specific to 
Mac and Windows because they wrap native API's. Can't use 'em on Linux, 
sorry.

--Kevin

-- 
Kevin Walzer
Code by Kevin/Mobile Code by Kevin
http://www.codebykevin.com
http://www.wtmobilesoftware.com


From klappnase at web.de  Wed Jun 17 11:33:11 2015
From: klappnase at web.de (Michael Lange)
Date: Wed, 17 Jun 2015 11:33:11 +0200
Subject: [Tkinter-discuss] Third-party ttk themes
In-Reply-To: <mifa0f$162$1@ger.gmane.org>
References: <mifa0f$162$1@ger.gmane.org>
Message-ID: <20150617113311.3f2e69397c52857c795f64dd@web.de>

Hi,

On Thu, 07 May 2015 02:07:26 -0700
memilanuk <memilanuk at gmail.com> wrote:

> So... using Anaconda 2.2.0 / Python 3.4.3 on Linux, and the only ttk 
> themes that came with are 'clam', 'alt', 'default' and 'classic'.  I've 
> seen reference to other theme names like 'aqua', 'step', 'winnative', 
> 'vista' and 'xpnative'.  Are these themes - or others like them - 
> available somewhere, some sort of theme repository?

as Kevin already pointed out, on linux you can only use these four
built-in themes, however if you are interested in more themes you can try
the tile-themes from http://tktable.cvs.sourceforge.net/viewvc/tktable/
IIRC the qt ang tk themes are outdated and will not work, the other five
pixmap themes work fine (and personally I think the "plastik" theme is
really nice).
Unfortunately there is no such thing as an installer, you would have to
download the tile-themes folder manually, copy it
into /usr/share/tile-themes and add the missing pkgIndex.tcl file that
should contain the lines:

set themesdir [file join [pwd] [file dirname [info script]]]
lappend auto_path $themesdir

so Tk will be able to find the themes.

Then you can load the themes with:

root.tk.call('package', 'require', 'tile-themes')

and see if it worked wtih:

themes = root.tk.call('ttk::themes')
print(themes)

Unfortunately theme_names() will still fail to find these third party
themes, but ttk::themes works fine.

Best regards

Michael

.-.. .. ...- .   .-.. --- -. --.   .- -. -..   .--. .-. --- ... .--. . .-.

When dreams become more important than reality, you give up travel,
building, creating; you even forget how to repair the machines left
behind by your ancestors.  You just sit living and reliving other lives
left behind in the thought records.
		-- Vina, "The Menagerie" ("The Cage"), stardate unknown

From nad at acm.org  Wed Jun 17 22:53:24 2015
From: nad at acm.org (Ned Deily)
Date: Wed, 17 Jun 2015 13:53:24 -0700
Subject: [Tkinter-discuss] IDLE can't be opened
In-Reply-To: <3D2E486D-768F-4912-A44B-DCADFD344A02@genetics.utah.edu>
References: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>
 <nad-D67945.17372516062015@news.gmane.org>
 <3D2E486D-768F-4912-A44B-DCADFD344A02@genetics.utah.edu>
Message-ID: <611AF41C-62E3-4935-BC87-CAB5B4FD0425@acm.org>

[returning the discussion to the list]

On Jun 17, 2015, at 09:31, Petr Tvrdik <ptvrdik at genetics.utah.edu> wrote:
>> On Jun 16, 2015, at 6:37 PM, Ned Deily <nad at acm.org> wrote:
>> In article <01AD415B-C98C-433B-95D9-59731D9D40BA at genetics.utah.edu>,
>> Petr Tvrdik <ptvrdik at genetics.utah.edu> wrote:
>>> I have installed Python IDLE from https://www.python.org/downloads/
>>> 
>>> When I launch the IDLE program I get the error message "The application IDLE 
>>> can't be opened."
>>> 
>>> However, the application WORKS IN ANOTHER ACOUNT on the same machine (Macbook 
>>> Pro, mid 2010, updated to Yosemite 10.10.3)
>>> 
>>> I have also installed the latest ActiveTcl (buildno 298892) (which is the one 
>>> recommended for the OS 
>>> [ActiveTcl8.5.18.0.298892-macosx10.5-i386-x86_64-threaded.dmg]
>>> 
>>> What can I do to make this work? Possible interference with another tkinter? 
>>> From this or the other login account?
>> [...]

>> Nevertheless, a few suggestions: you didn't say which version of Python 
>> you installed and are trying to use (the currently supported versions 
>> are 3.4.3 and 2.7.10).  Each will install its own version of IDLE.  When 
>> you launch IDLE by double-clicking on its icon in an 
>> /Applications/Python x.x folder, many error messages that might be 
>> generated during launch are not displayed directly to you, rather they 
>> go into system logs that can be views with the Console app.  However, it 
>> is easier to see the errors if you try to start IDLE directly from 
>> within a terminal sesssion, for example with Terminal app.  If you used 
>> the install defaults, try typing either:
>> 
>> /usr/local/bin/idle3.4
>> or
>> /usr/local/bin/idle2.7
>> 
>> and see what happens.  There are sometimes problems due to values set in 
>> IDLE's per-user preference files.  You can remove them before launching 
>> IDLE by typing in the terminal session:
>> 
>> rm -r ~/.idlerc
> Thank you for your input. I have uninstalled and reinstalled Python2.7 and Python3.4 and ActiveTCL (the recommended version 8.5.18)
> 
> Now, when I type idle2.7 in my /usr/local/bin/idle2.7, idle window opens with warning:Tcl/Tk 8.5.9 in use is unstable (attached).
> 
> when I type idle3.4, I get this: -bash: idle3.4: command not found
> 
> Is it possible that something got mis-wired in my shell scripts?

From the attached screenshots, the IDLE that you have launched is the one included with the OS X system Python (2.7.6), not the latest from python.org and that explains why you get the "8.5.9 in use" warning.  I suspect you didn't enter the full path as I suggested above; in the shell window, type the full path "/usr/local/bin/idle2.7" not just "idle2.7".  That should ensure that the correct IDLE launches and then, if it still fails, you can see why.  You could then also try launching a new terminal window and see whether just typing "idle2.7" gives you the newer version; if not, you may need to adjust your shell startup scripts.  The Python installer should have done that by default.

--
  Ned Deily
  nad at acm.org -- []



From nad at acm.org  Fri Jun 19 20:38:54 2015
From: nad at acm.org (Ned Deily)
Date: Fri, 19 Jun 2015 11:38:54 -0700
Subject: [Tkinter-discuss] IDLE can't be opened
In-Reply-To: <61F93360-2522-4E31-80FB-6BBF94590C51@genetics.utah.edu>
References: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>
 <nad-D67945.17372516062015@news.gmane.org>
 <3D2E486D-768F-4912-A44B-DCADFD344A02@genetics.utah.edu>
 <611AF41C-62E3-4935-BC87-CAB5B4FD0425@acm.org>
 <61F93360-2522-4E31-80FB-6BBF94590C51@genetics.utah.edu>
Message-ID: <946577C2-3D9C-49CD-B923-5CDFA72E0188@acm.org>

[Petr, please reply to the mailing list, not directly to me, so that others can contribute to or benefit from the discussion.  Thanks!]

On Jun 18, 2015, at 08:46, Petr Tvrdik <ptvrdik at genetics.utah.edu> wrote:
> I have noticed that even inside my /usr/local/bin/ directory, idle2.7 or idle3.4 commands do not work
> however, when I use ?sudo idle2.7? or ?sudo idle3.4? both work flawlessly with the new ActiveTcl 
> so my problem seems to be more related to root privileges and unix folder structure perhaps

Are you by any chance trying to launch idle when you have changed your working directory to /usr/local/bin?  You shouldn't do that.

Try the following:

cd ~
sudo rm -rf .idlerc
cd Desktop
/usr/local/bin/idle2.7

and see if that works.  You should never have to run idle undo sudo and you never should!

--
  Ned Deily
  nad at acm.org -- []



From ptvrdik at genetics.utah.edu  Sat Jun 20 04:21:37 2015
From: ptvrdik at genetics.utah.edu (Petr Tvrdik)
Date: Sat, 20 Jun 2015 02:21:37 +0000
Subject: [Tkinter-discuss] IDLE can't be opened
In-Reply-To: <946577C2-3D9C-49CD-B923-5CDFA72E0188@acm.org>
References: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>
 <nad-D67945.17372516062015@news.gmane.org>
 <3D2E486D-768F-4912-A44B-DCADFD344A02@genetics.utah.edu>
 <611AF41C-62E3-4935-BC87-CAB5B4FD0425@acm.org>
 <61F93360-2522-4E31-80FB-6BBF94590C51@genetics.utah.edu>
 <946577C2-3D9C-49CD-B923-5CDFA72E0188@acm.org>
Message-ID: <7759D4F1-E48C-4546-B889-787AFEE7B150@genetics.utah.edu>

Hello,

I have tried:

cd ~
sudo rm -rf .idlerc
cd Desktop
/usr/local/bin/idle2.7

and I got:

MacBook-Tanya:Desktop Michal$ /usr/local/bin/idle2.7
-bash: /usr/local/bin/idle2.7: Permission denied

I have also reset ownership

sudo chown Michal /Users/Michal/

but IDLE still cannot be opened

please help if you can

thank you

petr


> On Jun 19, 2015, at 12:38 PM, Ned Deily <nad at acm.org> wrote:
> 
> [Petr, please reply to the mailing list, not directly to me, so that others can contribute to or benefit from the discussion.  Thanks!]
> 
> On Jun 18, 2015, at 08:46, Petr Tvrdik <ptvrdik at genetics.utah.edu> wrote:
>> I have noticed that even inside my /usr/local/bin/ directory, idle2.7 or idle3.4 commands do not work
>> however, when I use ?sudo idle2.7? or ?sudo idle3.4? both work flawlessly with the new ActiveTcl 
>> so my problem seems to be more related to root privileges and unix folder structure perhaps
> 
> Are you by any chance trying to launch idle when you have changed your working directory to /usr/local/bin?  You shouldn't do that.
> 
> Try the following:
> 
> cd ~
> sudo rm -rf .idlerc
> cd Desktop
> /usr/local/bin/idle2.7
> 
> and see if that works.  You should never have to run idle undo sudo and you never should!
> 
> --
>  Ned Deily
>  nad at acm.org -- []
> 
> 
> _______________________________________________
> Tkinter-discuss mailing list
> Tkinter-discuss at python.org
> https://mail.python.org/mailman/listinfo/tkinter-discuss


From ptvrdik at genetics.utah.edu  Sat Jun 20 04:46:49 2015
From: ptvrdik at genetics.utah.edu (Petr Tvrdik)
Date: Sat, 20 Jun 2015 02:46:49 +0000
Subject: [Tkinter-discuss] IDLE can't be opened
In-Reply-To: <7759D4F1-E48C-4546-B889-787AFEE7B150@genetics.utah.edu>
References: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>
 <nad-D67945.17372516062015@news.gmane.org>
 <3D2E486D-768F-4912-A44B-DCADFD344A02@genetics.utah.edu>
 <611AF41C-62E3-4935-BC87-CAB5B4FD0425@acm.org>
 <61F93360-2522-4E31-80FB-6BBF94590C51@genetics.utah.edu>
 <946577C2-3D9C-49CD-B923-5CDFA72E0188@acm.org>
 <7759D4F1-E48C-4546-B889-787AFEE7B150@genetics.utah.edu>
Message-ID: <1DEB8C62-7277-4646-97E3-8FDD389305BF@genetics.utah.edu>

When I open the Console after IDLE launch failure, it says:

Dock: LSOpenFromURLSpec(file:///Users/Michal/Scripting/1.%20IDLE%202.7) failed with -10810

p.

> On Jun 19, 2015, at 8:22 PM, Petr Tvrdik <petr.tvrdik at genetics.utah.edu> wrote:
> 
> Hello,
> 
> I have tried:
> 
> cd ~
> sudo rm -rf .idlerc
> cd Desktop
> /usr/local/bin/idle2.7
> 
> and I got:
> 
> MacBook-Tanya:Desktop Michal$ /usr/local/bin/idle2.7
> -bash: /usr/local/bin/idle2.7: Permission denied
> 
> I have also reset ownership
> 
> sudo chown Michal /Users/Michal/
> 
> but IDLE still cannot be opened
> 
> please help if you can
> 
> thank you
> 
> petr
> 
> 
>> On Jun 19, 2015, at 12:38 PM, Ned Deily <nad at acm.org> wrote:
>> 
>> [Petr, please reply to the mailing list, not directly to me, so that others can contribute to or benefit from the discussion.  Thanks!]
>> 
>> On Jun 18, 2015, at 08:46, Petr Tvrdik <ptvrdik at genetics.utah.edu> wrote:
>>> I have noticed that even inside my /usr/local/bin/ directory, idle2.7 or idle3.4 commands do not work
>>> however, when I use ?sudo idle2.7? or ?sudo idle3.4? both work flawlessly with the new ActiveTcl 
>>> so my problem seems to be more related to root privileges and unix folder structure perhaps
>> 
>> Are you by any chance trying to launch idle when you have changed your working directory to /usr/local/bin?  You shouldn't do that.
>> 
>> Try the following:
>> 
>> cd ~
>> sudo rm -rf .idlerc
>> cd Desktop
>> /usr/local/bin/idle2.7
>> 
>> and see if that works.  You should never have to run idle undo sudo and you never should!
>> 
>> --
>> Ned Deily
>> nad at acm.org -- []
>> 
>> 
>> _______________________________________________
>> Tkinter-discuss mailing list
>> Tkinter-discuss at python.org
>> https://mail.python.org/mailman/listinfo/tkinter-discuss
> 


From nad at acm.org  Sun Jun 21 10:58:36 2015
From: nad at acm.org (Ned Deily)
Date: Sun, 21 Jun 2015 01:58:36 -0700
Subject: [Tkinter-discuss] IDLE can't be opened
References: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>
 <nad-D67945.17372516062015@news.gmane.org>
 <3D2E486D-768F-4912-A44B-DCADFD344A02@genetics.utah.edu>
 <611AF41C-62E3-4935-BC87-CAB5B4FD0425@acm.org>
 <61F93360-2522-4E31-80FB-6BBF94590C51@genetics.utah.edu>
 <946577C2-3D9C-49CD-B923-5CDFA72E0188@acm.org>
 <7759D4F1-E48C-4546-B889-787AFEE7B150@genetics.utah.edu>
 <1DEB8C62-7277-4646-97E3-8FDD389305BF@genetics.utah.edu>
Message-ID: <nad-35D78A.01583621062015@news.gmane.org>

In article <1DEB8C62-7277-4646-97E3-8FDD389305BF at genetics.utah.edu>,
 Petr Tvrdik <ptvrdik at genetics.utah.edu> wrote:

> When I open the Console after IDLE launch failure, it says:
> 
> Dock: LSOpenFromURLSpec(file:///Users/Michal/Scripting/1.%20IDLE%202.7) 
> failed with -10810

I don't know what to make of this.  What is file "1. IDLE 2.7"?  A 
Python source file?  Is that the file you are double-clicking on?  In 
any case, Launch Services error 10810 is helpfully documented as an 
"unknown error occurred".

> > I have tried:
> > 
> > cd ~
> > sudo rm -rf .idlerc
> > cd Desktop
> > /usr/local/bin/idle2.7
> > 
> > and I got:
> > 
> > MacBook-Tanya:Desktop Michal$ /usr/local/bin/idle2.7
> > -bash: /usr/local/bin/idle2.7: Permission denied
> > 
> > I have also reset ownership
> > 
> > sudo chown Michal /Users/Michal/
> > 
> > but IDLE still cannot be opened

The permission denied message presumably has nothing to do with a file 
in your home directory, /Users/Michal, so using chown on your home 
directory is not likely to have any effect.  /usr/local/bin/idle2.7 is 
normally a symbolic link to an executable in the Python frameworks bin 
directory:

ls -l /usr/local/bin/python2.7
lrwxr-xr-x  1 root  wheel  71 May 23 18:00 /usr/local/bin/python2.7 -> 
../../../Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7

ls -lL /usr/local/bin/python2.7
-rwxrwxr-x  1 root  admin  25624 May 23 09:36 /usr/local/bin/python2.7

The permissions entries, owner, and group should look exactly like those 
above.  Those are set when Python is installed by the Installer.  If 
they are not identical or if you are unable to view them without sudo, 
most likely something is wrong with directory or file permissions 
somewhere in the /Library or /usr hierarchy (either with the standard 
Unix permissions shown here or as specified with ACLs) *or* there is 
something unusual about the permissions of your account.  I really have 
no idea what would be the most likely scenarios to cause the behavior 
you report.  Indiscriminate use of sudo and chown and chmod could 
certainly screw things up.  There is a slight chance that running Disk 
Utility.app's Repair Disk Permissions function might help.  If, as you 
say, everything works OK from another user (although you should verify 
that you are really using the new Python 2.7.10 and not the older system 
Python 2.7), then you could try to focus on what is different between 
the two user accounts and home directories.  But those kinds of 
questions are *way* beyond the scope of a Python forum.

Good luck!

-- 
 Ned Deily,
 nad at acm.org


From nad at acm.org  Sun Jun 21 11:04:49 2015
From: nad at acm.org (Ned Deily)
Date: Sun, 21 Jun 2015 02:04:49 -0700
Subject: [Tkinter-discuss] IDLE can't be opened
References: <01AD415B-C98C-433B-95D9-59731D9D40BA@genetics.utah.edu>
 <nad-D67945.17372516062015@news.gmane.org>
 <3D2E486D-768F-4912-A44B-DCADFD344A02@genetics.utah.edu>
 <611AF41C-62E3-4935-BC87-CAB5B4FD0425@acm.org>
 <61F93360-2522-4E31-80FB-6BBF94590C51@genetics.utah.edu>
 <946577C2-3D9C-49CD-B923-5CDFA72E0188@acm.org>
 <7759D4F1-E48C-4546-B889-787AFEE7B150@genetics.utah.edu>
 <1DEB8C62-7277-4646-97E3-8FDD389305BF@genetics.utah.edu>
 <nad-35D78A.01583621062015@news.gmane.org>
Message-ID: <nad-752929.02044921062015@news.gmane.org>

In article <nad-35D78A.01583621062015 at news.gmane.org>,
 Ned Deily <nad at acm.org> wrote:
> ls -l /usr/local/bin/python2.7
> lrwxr-xr-x  1 root  wheel  71 May 23 18:00 /usr/local/bin/python2.7 -> 
> ../../../Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7
> 
> ls -lL /usr/local/bin/python2.7
> -rwxrwxr-x  1 root  admin  25624 May 23 09:36 /usr/local/bin/python2.7

Sorry, I meant to show the entries for idle2.7:

ls -l /usr/local/bin/idle2.7
lrwxr-xr-x  1 root  wheel  69 May 23 18:00 /usr/local/bin/idle2.7 -> 
../../../Library/Frameworks/Python.framework/Versions/2.7/bin/idle2.7

ls -lL /usr/local/bin/idle2.7
-rwxrwxr-x  1 root  admin  138 May 23 09:35 /usr/local/bin/idle2.7

-- 
 Ned Deily,
 nad at acm.org


From Vasilis.Vlachoudis at cern.ch  Thu Jun 25 12:17:56 2015
From: Vasilis.Vlachoudis at cern.ch (Vasilis Vlachoudis)
Date: Thu, 25 Jun 2015 10:17:56 +0000
Subject: [Tkinter-discuss] Centering grid inside a frame
Message-ID: <0BC70B5D93E054469872FFD0FE07220E01635AC422@CERNXCHG53.cern.ch>

Hi all,

I want to centre a grid layout (with fixed size) inside a frame
e.g. if I do the following

tk = Tk()
Button(tk, text="button1").grid(row=0, column=0, sticky=NSEW)
Button(tk, text="button2").grid(row=0, column=1, sticky=NSEW)
Button(tk, text="button3").grid(row=1, column=0, sticky=NSEW)
Button(tk, text="button4").grid(row=1, column=1, sticky=NSEW)
tk.mainloop()

on python 2.7 I get the 4 buttons anchored on the NW corner of the tk frame
If I resize the window the buttons are stuck there.

I know that I could add an additional frame and use the place manager like
f = Frame(tk)
f.place(relx=0.5, rely=0.5, anchor=CENTER)
and change all buttons to belong to f.

However on python 2.4 I get the 4 buttons perfectly centred in the tk frame
without the additional f-frame.
Is there a special flag that I could do the centering without the need of the extra frame.

Thanks in advance
Vasilis

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From bryan.oakley at gmail.com  Thu Jun 25 12:49:14 2015
From: bryan.oakley at gmail.com (Bryan Oakley)
Date: Thu, 25 Jun 2015 05:49:14 -0500
Subject: [Tkinter-discuss] Centering grid inside a frame
In-Reply-To: <0BC70B5D93E054469872FFD0FE07220E01635AC422@CERNXCHG53.cern.ch>
References: <0BC70B5D93E054469872FFD0FE07220E01635AC422@CERNXCHG53.cern.ch>
Message-ID: <CAKypQnxxrteiQOCS36zKk6QQdDiMKqJ16bx0xryVW9kEBy4BiQ@mail.gmail.com>

Use an empty row and column surrounding your other widgets, and give those
rows and columns a weight. That is, leave row and column 0 empty, and the
row and column below and to the right of all the other widgets empty. With
a non-zero weight, and with the non-empty rows/columns with a default
weight of zero, the empty rows and columns  will be given all extra room,
effectively centering the other widgets.

from Tkinter import *

tk = Tk()
Button(tk, text="button1").grid(row=1, column=1, sticky=NSEW)
Button(tk, text="button2").grid(row=1, column=2, sticky=NSEW)
Button(tk, text="button3").grid(row=2, column=1, sticky=NSEW)
Button(tk, text="button4").grid(row=2, column=2, sticky=NSEW)

tk.grid_rowconfigure(0, weight=1)
tk.grid_rowconfigure(3, weight=1)
tk.grid_columnconfigure(0, weight=1)
tk.grid_columnconfigure(3, weight=1)

tk.mainloop()


On Thu, Jun 25, 2015 at 5:17 AM, Vasilis Vlachoudis <
Vasilis.Vlachoudis at cern.ch> wrote:

>  Hi all,
>
> I want to centre a grid layout (with fixed size) inside a frame
> e.g. if I do the following
>
> tk = Tk()
> Button(tk, text="button1").grid(row=0, column=0, sticky=NSEW)
> Button(tk, text="button2").grid(row=0, column=1, sticky=NSEW)
> Button(tk, text="button3").grid(row=1, column=0, sticky=NSEW)
> Button(tk, text="button4").grid(row=1, column=1, sticky=NSEW)
> tk.mainloop()
>
> on python 2.7 I get the 4 buttons anchored on the NW corner of the tk frame
> If I resize the window the buttons are stuck there.
>
> I know that I could add an additional frame and use the place manager like
> f = Frame(tk)
> f.place(relx=0.5, rely=0.5, anchor=CENTER)
> and change all buttons to belong to f.
>
> However on python 2.4 I get the 4 buttons perfectly centred in the tk frame
> without the additional f-frame.
> Is there a special flag that I could do the centering without the need of
> the extra frame.
>
> Thanks in advance
> Vasilis
>
>
> _______________________________________________
> Tkinter-discuss mailing list
> Tkinter-discuss at python.org
> https://mail.python.org/mailman/listinfo/tkinter-discuss
>
>
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