[MlMt] How to change key bindings in Composer window?

[Mike Hucka]

Hi Benny,

Thanks for your reply, and investing the time to try the key 
definitions!

I'm glad to report the mystery is now solved.  I've used the same key 
bindings file for years and years, so I felt certain the syntax and 
definitions had to be correct [1, 2].  When you said there was nothing 
in MailMate that would override this, I started searching for other 
possibilities and found the issue: I also use KeyboardMaestro, and some 
time ago [3], had defined shortcuts to move me to the beginning and end 
of the message list in MailMate -- using the same keys, because meta-< 
and meta-> are the Emacs keys for "go to beginning of buffer" and "go to 
end of buffer", and that was what made sense for my muscle memory.  The 
KeyboardMaestro keys were overriding the MM keys.

Thanks again,
MH

[1] I use a largish key bindings file to implement Emacs-like keys in as 
many application as I can.

[2] The use of parens around the key definitions seems to be a valid 
alternative syntax. Thanks for pointing out the use of double quotes, 
though; I did try that too just to make sure, before figuring out the KM 
conflict.

[3] I had defined them when I first tried MM long ago and was back then 
trying to adjust things to work for me, but I stopped for a while and 
only recently picked up MM again and full converted to using it.  But of 
course, I forgot what I had done in KM before.



On 3 Jun 2018, at 3:42, Benny Kjær Nielsen wrote:

> On 2 Jun 2018, at 20:33, Mike Hucka wrote:
>
>> So, this is interesting.  Most of my key bindings from 
>> ~/Library/KeyBindings/DefaultKeyBinding.dict work, but the two that 
>> don't seem to act properly are:
>>
>>         "~<"    = (moveToBeginningOfDocument:);
>>         "~>"    = (moveToEndOfDocument:);
>
> It might not matter, but to make it less likely to be parsed wrongly I 
> would write:
>
> 	"~<"    = "moveToBeginningOfDocument:";
> 	"~>"    = "moveToEndOfDocument:";
>
>> Is there something special that MailMate does with respect to those 
>> two particular functions?
>
> Not as far as I can see.
>
> I tried reproducing the issue, but I cannot make the key bindings 
> above work at all. (I use ⌘⇡ and ⌘⇣.)
>
> I also tried in TextEdit with no success.
>
>> What happens is that instead of moving to the beginning/end of the 
>> document, they cause the cursor to move to the beginning/end of 
>> paragraphs.
>
> That does seem to imply that MailMate is involved, but right now I 
> have no idea how.
>
> Just for the record, I believe [this old 
> resource](https://www.hcs.harvard.edu/~jrus/site/cocoa-text.html) is 
> still the best one on system key bindings, but you probably already 
> found that one.
>
> -- 
> Benny
> https://freron.com/become_a_mailmate_patron/


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