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64 lines
2.8 KiB
Markdown
64 lines
2.8 KiB
Markdown
# Keymap
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## READ FIRST
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https://github.com/tmk/tmk_keyboard/blob/master/doc/keymap.md
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## How to get keycode
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See [doc/keycode.txt](https://github.com/tmk/tmk_keyboard/blob/master/doc/keycode.txt).
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Keycodes are actually defined in [common/keycode.h](https://github.com/tmk/tmk_keyboard/blob/master/common/keycode.h).
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## Sysrq key
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Use keycode for Print Screen(`KC_PSCREEN` or `KC_PSCR`) instead of `KC_SYSREQ`. Key combination of 'Alt + Print Screen' is recognized as 'System request'.
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See [issue #168](https://github.com/tmk/tmk_keyboard/issues/168) and
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- http://en.wikipedia.org/wiki/Magic_SysRq_key
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- http://en.wikipedia.org/wiki/System_request
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## Power key doesn't work
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Use `KC_PWR` instead of `KC_POWER` or vice versa.
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- `KC_PWR` works with Windows and Linux, not with OSX.
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- `KC_POWER` works with OSX and Linux, not with Windows.
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http://geekhack.org/index.php?topic=14290.msg1327264#msg1327264
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## Oneshot modifier
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Solves my personal 'the' problem. I often got 'the' or 'THe' wrongly instead of 'The'. Oneshot Shift mitgates this for me.
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https://github.com/tmk/tmk_keyboard/issues/67
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## Modifier/Layer stuck
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Modifier keys or layers can be stuck unless layer switching is configured properly.
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For Modifier keys and layer actions you have to place `KC_TRANS` on same position of destination layer to unregister the modifier key or return to previous layer on release event.
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https://github.com/tmk/tmk_keyboard/blob/master/doc/keymap.md#31-momentary-switching
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http://geekhack.org/index.php?topic=57008.msg1492604#msg1492604
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## Mechanical Lock Switch Support
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https://github.com/tmk/tmk_keyboard#mechanical-locking-support
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This feature is for *mechanical lock switch* like this Alps one.
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http://deskthority.net/wiki/Alps_SKCL_Lock
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Using enabling this feature and using keycodes `LCAP`, `LNUM` or `LSCR` in keymap you can use physical locking CapsLock, NumLock or ScrollLock keys as you expected.
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Old vintage mechanical keyboards occasionally have lock switches but modern ones don't have. ***You don't need this feature in most case and just use keycodes `CAPS`, `NLCK` and `SLCK`.***
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## Input special charactors other than ASCII like Cédille 'Ç'
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NO UNIVERSAL METHOD TO INPUT THOSE WORKS OVER ALL SYSTEMS. You have to define **MACRO** in way specific to your OS or layout.
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See this post for example **MACRO** code.
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http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478-120.html#p195620
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On **Windows** you can use `AltGr` key or **Alt code**.
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- http://en.wikipedia.org/wiki/AltGr_key
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- http://en.wikipedia.org/wiki/Alt_code
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On **Mac** OS defines `Option` key combinations.
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- http://en.wikipedia.org/wiki/Option_key#Alternative_keyboard_input
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On **Xorg** you can use `compose` key, instead.
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- http://en.wikipedia.org/wiki/Compose_key
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And see this for **Unicode** input.
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- http://en.wikipedia.org/wiki/Unicode_input |