Using *@g.CommanderCommand* would probably be better, since once run it
would be available to all outlines.
On Monday, October 31, 2022 at 1:05:53 PM UTC-4 Thomas Passin wrote:
> On Monday, October 31, 2022 at 11:12:14 AM UTC-4 jkn wrote:
>
>> Thanks, this looks very interesting...
>>
>> I have one question - something I have wondered about before. If I have
>> your example code as a button command, say ... then where/how can I put the
>>
>> def toggle_app_tab(log, tabname, top_widget):
>> # ...
>>
>> code, in order for it to accessible by multiple such buttons/commands?
>> I've never been sure about this.
>>
>> Thanks, J^n
>>
> [snip]
>
> For the function to be available to all outlines, I'm sure people have
> various ideas. One thing I've done in the past (with other functions) is
> to assign it to some object. I tend to use c, the outline's commander. If
> Edward ever changes it to use slots, I suppose this wouldn't work any
> more. Using this technique, your launch command would first look to see if
> it has been assigned to c. If not, it runs the def and assigns it. Then
> it would be invoked. Something like this sketch -
>
> has_tabbed_app_toggle = hasattr(c, 'toggle_app_tab')
> if not has_tabbed_app_toggle:
> def toggle_app_tab(log, tabname, top_widget):
> # Body of function here
> c.toggle_app_tab = toggle_app_tab
>
> # Invoke function here
>
> You can even make the function into a method of c. Other people may do
> that differently, but I think the easiest way is
>
> c.has_tabbed_app_toggle = has_tabbed_app_toggle.__get__(c)
>
> If you did this, you would need to change the function to include *self*,
> and you would need to use *self* instead of *c* in the code.
>
> There is also a Leo decorator, *g.CommanderCommand*, that you could use
> (it would have to be run first before the function could be used, and your
> function cannot use "g"):
>
> @g.CommanderCommand('z-f1')
> def z_f1(self, x, y):
> print(x * y)
>
> Then:
> c.z_f1(2, 3)
> # prints 6
>
> (It seems to me that there was something recently about not using this
> decorator, but I can't remember for sure).
>
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