[ruby-core:57409] [ruby-trunk - Bug #8957][Open] Ruby tk control variables for radiobutton menu radiobutton and menu checkbutton not working correctly.

Issue #8957 has been reported by rob (rob gow).

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Bug #8957: Ruby tk control variables for radiobutton menu radiobutton and menu checkbutton not working correctly.
https://bugs.ruby-lang.org/issues/8957

Author: rob (rob gow)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.0.0p195 (2013-05-14) [x64-mingw32]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


The control variables for radiobutton menu radiobutton and menu checkbutton are not working correctly. In a starter project I am coding, they do not set the variable at all, and if set, it does not affect the button that is checked. I've tried the defaults, $var @var @@var Tkvariable.new, and no difference. 

I've coded round the radio buttons using the variable and then setting with .select().
The menu radioButtons I can just do when the command function is called.
With the menu checkButtons, since the variable is not working I cannot tell the state. So 
I set indicatoron to 0 and just flip the action in the command function. But then there are no
checks for the check boxes.

I've bunched some code together out of the tkdocs tutorial to check this, and while this at least sets the variable initially, setting the variable does not change the selected radioButton. But having set the variable once, clicking the radio buttons no longer changes the variable. From that point it can only be changed in code. I've uploaded this as a demo of the problem.

This is on windows
tk is;
irb(main):035:0> Tk::TK_PATCHLEVEL
I've tried ruby 1.9.3p448 as well.

Also Linux ruby  2.0.0p247 versions as well.
=> "8.5.12"


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