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cbbrowne custom keyboard
==============================
Due to cbbrowne@acm.org
Christopher Browne
This was originally based on the default keyboard map, but I have been
doing sundry experimentation:
1. Useful Experiments
----------------------------------------
* It made sense to mess around some with keyboard maps.
- I added a keypad, originally based on keymaps/numpad.c, but
mighty substantially revised, as that one seems to be rotated 90
degrees from usual conventions for number pads
* The keypad layer also includes some sample "hacks" of cool things,
all using actions attached in using the function action_get_macro()
- Key [1][2] aka "q" types out my name, cbbrowne, as a fun example
of a key generating a bunch of keystrokes. The keystroke is
sufficiently inconvenient that it isn't terribly practical for me
to use it, but hey, it shows how others might use this facility
in a more useful context.
- Key [2][2] aka "a" uses a random number generator to select a digit 0-9 at random
- Key [3][2] aka "z" uses a random number generator to select a letter a-z at random
- Key [1][3] aka "e" spits out the keymap version number
* Minor use of Space Cadet Shift; my SHIFT key has switched to KC_LSP0, so that when I just hit SHIFT, I get a left parens: ( which is great for Lisping. I don't have a Right Shift, so I don't get an autoclose; I think I'll live with that until a Planck successor with more lines of keys :-)
2. Some code structure ideas
---------------------------------------------------
Each layer is given a name to aid in readability, which is then
used in the keymap matrix below. The underscores do not denote
anything - you can have a layer called STUFF or any other name.
Layer names don't all need to be of the same length, obviously, and
you could also skip them entirely and just use numbers, though that
means needing to manage the numbers.
It is preferable to keep the symbols short so that a line worth of
key mappings fits compactly onto a line of code. It might be an
interesting idea to express the maps rotated 90%, so that you
only need to fit 4 symbols onto each line, rather than 12.
I used enums to manage layer IDs and macro IDs so that I don't need
to care (beyond "start at 0", and arguably that's not needed) about
their values.
3. Things I did not like about the default mapping
---------------------------------------------------------
* I found control too hard to get to. I use it more than Tab, so
switched it there.
* Having dash on [lower-j] is a bit nonintuitive, but may be OK
* I switched ESC/TAB/M(0) around
* I'm suspicious that I want to shift M(0) from [4][1] to [4][2],
and shift ESC off the first column so KC_LCTL and KC_LALT can
be on the first column.
* I needed to swap ' and ENTER
* I tried added Workman alongside Dvorak and Colemak
- Boy, oh boy, these don't help!!!
- I have done 30 years of learning of Emacs key mappings, and
these alternative keyboards massively mess me up
4. TODO
---------------------------------------------------------
* I use tmux quite a lot; the mollat keymap seems to have some
interesting helpers. It might be interesting to add a "tmux
layer"
* The mollat tmux layer also suggests some thoughts about Emacs
helpers.
* I do not presently have anything that handles X11 screen
switching, as with Control-Alt-various
* I ought to probably look into KC_LEAD, to have some key combos
that do not need to be concurrent
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