114 lines
5.1 KiB
Markdown
114 lines
5.1 KiB
Markdown
cbbrowne custom keyboard
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==============================
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Due to cbbrowne@acm.org
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Christopher Browne
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This was originally based on the default keyboard map, but I have been
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doing sundry experimentation:
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1. Useful Experiments
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----------------------------------------
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* It made sense to mess around some with keyboard maps.
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- I added a keypad, originally based on keymaps/numpad.c, but
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mighty substantially revised, as that one seems to be rotated 90
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degrees from usual conventions for number pads
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* The keypad layer also includes some sample "hacks" of cool things,
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all using actions attached in using the function action_get_macro()
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- Key [1][2] aka "q" types out my name, cbbrowne, as a fun example
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of a key generating a bunch of keystrokes. The keystroke is
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sufficiently inconvenient that it isn't terribly practical for me
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to use it, but hey, it shows how others might use this facility
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in a more useful context.
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- Key [2][2] aka "a" uses a random number generator to select a digit 0-9 at random
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- Key [3][2] aka "z" uses a random number generator to select a letter a-z at random
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- Key [1][3] aka "e" spits out the keymap version number
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* Trying out sgoodwin's "hold Enter down to get Shift"
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- Liking this Quite Well Enough...
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- Applied this to both Shift and Quote
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- It seems likely that Alt should get a right-hand-side, akin to this...
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- Alt needs to move, and get a RHS
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- Hence ALTRIGHT, and shifted ROT_LED over
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- Emacs likes this!!! :-)
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- I'm suspicious that I'll want to shift ROT_LED another location over,
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so some modifier can replace the OS/KC_LGUI key
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* I have added an alternate ADJUST layer that is activated via update_tri_layer()
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- e.g. - LOWER+RAISE simultaneously
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- This seems entirely more useful for handling my "special keys"
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like the random numbers, user name, and such, than the keypad layer
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* The _ADJUST layer provides a good place to have RESET
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- But this isn't strictly enough; I want RESET somewhat accessible from
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main layer lest an error hide that layer
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- I never use the OS/KC_LGUI key (that's Command on MacOS, Windows
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Key on Windows), so that's a good place to have it as a chord of
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some sort
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2. Some code structure ideas
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---------------------------------------------------
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Each layer is given a name to aid in readability, which is then
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used in the keymap matrix below. The underscores do not denote
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anything - you can have a layer called STUFF or any other name.
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Layer names don't all need to be of the same length, obviously, and
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you could also skip them entirely and just use numbers, though that
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means needing to manage the numbers.
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It is preferable to keep the symbols short so that a line worth of
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key mappings fits compactly onto a line of code. It might be an
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interesting idea to express the maps rotated 90%, so that you
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only need to fit 4 symbols onto each line, rather than 12.
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I used enums to manage layer IDs and macro IDs so that I don't need
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to care (beyond "start at 0", and arguably even that's not needed)
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about their values.
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3. Things I did not like about the default mapping
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---------------------------------------------------------
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* I found control too hard to get to. I use it more than Tab, so
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switched it there.
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* Having dash on [lower-j] is a bit nonintuitive, but may be OK
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* I switched ESC/TAB/M(0) around
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* I'm suspicious that I want to shift M(0) from [4][1] to [4][2],
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and shift ESC off the first column so KC_LCTL and KC_LALT can
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be on the first column.
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* I needed to swap ' and ENTER
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4. Unuseful experiments
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---------------------------------------------------------
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I have tried some things out that didn't turn out particularly well.
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I'll note some of these for posterity, hopefully helpful in not doing
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unwise things again...
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* I tried added Workman alongside Dvorak and Colemak
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- Boy, oh boy, these don't help!!!
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- I have done 30 years of learning of Emacs key mappings, and
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these alternative keyboards massively mess me up
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* Space Cadet Shift; switching L_SHIFT to KC_LSP0, so that when I
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just hit SHIFT, I get a left parens. In principle, this is great
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for Lisping.
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- Unfortunately, there are times when mouse interfaces use SHIFT
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to allow selecting multiple items, and this really interferes
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with that
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5. TODO
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---------------------------------------------------------
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* I use tmux quite a lot; the mollat keymap seems to have some
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interesting helpers. It might be interesting to add a "tmux
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layer," or to have a few keys in a layer oriented towards that
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* The mollat tmux layer also suggests some thoughts about Emacs
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helpers.
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* I do not presently have anything that handles X11 screen
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switching, as with Control-Alt-various
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* I ought to probably look into KC_LEAD, to have some key combos
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that do not need to be concurrent
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* The jeebak keymap seems to have some neat ideas:
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- Number layer which is aggressive about having numbers in several places
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- Touch layer seems interesting
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