I'm converting a Tkinter program (Win XP) that uses widgets that allows the
user to change default values of various parameters like start and stop time
in hh:mm:ss, time of exposure in seconds, and whether certain options should
be on or off. The initial values are set in the code. I can pretty well
modify matters, so the values of parameters can be saved and restored from a
config file for use outside the widgets (dialogs). Basically, a list of
parameter names and values are kept in the file.
However, it is a tricky job to set up values for a widget that allows the
current values to appear in a dialog, and then return them to internal
storage for use elsewhere. The problem is in trying to make control variable
dynamic instead of as fixed code. There may be a solution, but it seems as
though someone should have had a similar problem in the past.
Is Python or Tkinter capable of solving this problem in some fashion? It may
be that there's another way to set and return values to the widget. However,
there seems to be an implication one can only do this with Tkinter control
variables? Another way of saying this is is why are control variables needed
anyway?
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