using message loop for hotkey capturing

MRAB python at mrabarnett.plus.com
Tue Mar 23 18:54:58 CET 2010


Alex Hall wrote:
> Hi all, but mainly Tim Golden:
> Tim, I am using your wonderful message loop for keyboard input, the
> one on your site that you pointed me to a few months ago. It has been
> working perfectly as long as I had only one dictionary of keys mapping
> to one dictionary of functions, but now I want two of each. My program
> has different modes, which may have varying keystrokes, and I also
> have some global keystrokes which are the same across all modes, like
> exiting or switching modes. I cannot figure out how to make the
> message loop look in two dictionaries at onc. I tried using an if,
> saying that if action_to_take was not set in the mode-specific
> dictionary then look at the global dictionary, but it is like it is
> never looking in the global dictionary at all. I get no syntax errors
> or problems when running the program, so it has to be something in my
> logic. Go to
> http://www.gateway2somewhere.com/sw/main.pyw
> to see what I mean; the problem code is near the very bottom of the
> file. Thanks for any suggestions. Oh, please note that I indent one
> space per indentation level.
> 
"msg.wParam" gives an int, but the keys of globalFuncs are 'g1', etc,
not ints.

Incidentally, you might want to change:

     if(not action_to_take):

to:

     if action_to_take is None:

in case any of the values happen to be 0 (if not now, then possibly at
some time in the future).



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