qmk_firmware/keyboards/planck/keymaps/callum/readme.md

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# callum's planck layout
This is a layout for the grid planck, built with a few ideals in mind:
- Consistent and minimal response times should be maintained. Keys that react
differently depending on whether they are tapped or held, keys that react
differently if they are double tapped, etc. should be avoided they
inevitably send their keycode later than a normal key interrupting the
immediate feedback from the screen. Therefore we restrict ourselves to
chording as our only means of getting more than one symbol out of a single
physical key.
- The hands should never need to leave the home position. The usual culprit for
this is the arrow cluster, so the arrow cluster should be as close to home as
possible.
- There should be two of every modifier (one on each side), otherwise certain
long key combinations become hard to make.
- It should be possible to do things you might want to do while using the mouse
with only the left hand (e.g. change tabs, navigate back or forwards in
browser history).
- Symbols should be arranged so that the most frequently used are easiest to
reach. This includes numbers, and lower numbers are more commonly used than
higher ones. (number arrangement borrowed from [dustypomeleau's minidox
layout][].
Layout rendered with [keyboard-layout-editor.com][]:
![](https://callum-oakley.github.io/images/keymap.png)
The only behaviour not captured in this graphic is: pressing both cmd keys will
send cmd+ctrl. See [keymap.c][] for details.
[dustypomeleau's minidox layout]: https://github.com/qmk/qmk_firmware/tree/master/keyboards/minidox/keymaps/dustypomerleau
[keyboard-layout-editor.com]: http://www.keyboard-layout-editor.com
[keymap.c]: keymap.c