[Tkinter-discuss] Tkinter colours lighter on OS X

Patrick Robertson robertson.patrick at gmail.com
Wed Jan 28 22:52:47 CET 2015

Just as a follow up:

If you’re packaging ActiveTcl into a .app for OS X (using PyInstaller, py2app or similar) it may not work from the onset.
I ended up having to comment out the ‘teapot’ code in /Library/Frameworks/Tcl.framework/Versions/8.5/Resources/Scripts/init.tcl to get it working

The problematic lines are the last few lines that include: "require activestate::teapot::link”

Now, finally, I have a right-colour OS X .app bundle :)


On 28 Ion 2015, at 18:11, Patrick Robertson <robertson.patrick at gmail.com> wrote:

> Thanks both Kevin and Mick,
> Mick - it’s always nice to know I’m not the only one with the problem!
> Kevin - your solution worked.
> I initially installed ActiveTcl 8.6, which it seems isn’t compatible with Python 2/3
> At the time of writing ActiveTcl 8.4/8.5 (32 bit/64 bit) are recommended for OS X
> For anybody with this problem in the future I recommend reading:
> https://www.python.org/download/mac/tcltk/
> It explains which version of ActiveTcl to install for which OS/Python combination, as well as giving information on how Python links to Tkinter/tkinter:
>> The Python for Mac OS X installers downloaded from this website dynamically link at runtime to Tcl/Tk Mac OS X frameworks. …
> There’s more on that page above
> PS - I’ve been using Tkinter since 2015. It’s still great ;-) 
> On 28 Ion 2015, at 15:05, Michael O'Donnell <michael.odonnell at uam.es> wrote:
>> Thanks Kevin,
>>  I will remove my fixing code and see if colours
>> are displayed ok again.
>> Mick
>> On 28 January 2015 at 15:08, Kevin  Walzer <kw at codebykevin.com> wrote:
>>> On 1/28/15 9:03 AM, Michael O'Donnell wrote:
>>>> My GUI used a gif for borders, and I will with a colored canvas.
>>>> On the (then) new Macosx, the colors of the gif were different
>>>> from the canvas color.
>>>> ...while on Windows or earlier versions of Macosx, the gif
>>>> and canvas merged seamlessly.
>>>> I received no response which fixed the problem.
>>> Sorry about that. IIRC It was a very obscure bug related to a change in
>>> color-rendering API in Cocoa that someone noticed and submitted a patch for;
>>> recent versions of ActiveTcl should not show the bug.
>>> --Kevin
>>> --
>>> Kevin Walzer
>>> Code by Kevin/Mobile Code by Kevin
>>> http://www.codebykevin.com
>>> http://www.wtmobilesoftware.com
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