Re: Can I use 'C-x o o o o o' instead of C-x o C-x o C-x o C-x o C-x o?

[Jorge A. Alfaro-Murillo]

Emanuel Berg writes:

> <keith@cheungsfamily.org> writes: 
>
> > Scenario 1 - I split many windows. - I wish to switch to some 
> > other windows. - I type C-x o, C-x o, C-x o repeatedly until 
> > the cursor landed on the desired window. Is there a way to use 
> > C-x o o o instead? 
>
> You can't do that the normal way because then you'd have to set 
> up prefix keys, but they themselves would have to be commands! - 
> so Emacs cannot tell if it is a prefix key (i.e. it should await 
> more input) or if it is a command (i.e. it should act). 
>
> However, you can do it with programming, as always, and here's 
> how: 
>
> The first command, which you should bind to a key, should 
> re-bind the keys - all keys. "o" should be "move to the next 
> window". All other keys should be - let's say normal behavior is 
> B - all other keys should be: 
>
>     a) exit this window roaming mode b) do normal behavior B

That is what the function set-transient-map is used for. 

> > I aware that I can use C-u num C-x o, if I know the desired 
> > window is num step away. But there are times that I do not know 
> > 'num'. 
>
> OK: instead of iteration, I'd assign each window a letter (a, b, 
> c...) and show that in the mode bar.  Then do a function that 
> accepts an argument which is such a letter. Then jump to that 
> window. I'd say this idea is much better.

That is the idea of ace-window 
(https://github.com/abo-abo/ace-window), which also is better for 
Scenario 1 and even for a third scenario where you have want to 
delete a particular window but do not want to move to it first.

Best,

--
Jorge.