350 lines
11 KiB
Markdown
350 lines
11 KiB
Markdown
# Quantum Keycodes
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All keycodes within quantum are numbers between `0x0000` and `0xFFFF`. Within your `keymap.c` it may look like you have functions and other special cases, but ultimately the C preprocessor will translate those into a single 4 byte integer. QMK has reserved `0x0000` through `0x00FF` for standard keycodes. These are keycodes such as `KC_A`, `KC_1`, and `KC_LCTL`, which are basic keys defined in the USB HID specification.
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On this page we have documented keycodes between `0x00FF` and `0xFFFF` which are used to implement advanced quantum features. If you define your own custom keycodes they will be put into this range as well. Keycodes above `0x00FF` may not be used with any of the mod/layer-tap keys listed
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# Quantum keycodes
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|Name|Description|
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|----|-----------|
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|`RESET`|Put the keyboard into DFU mode for flashing|
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|`DEBUG`|Toggles debug mode|
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|`KC_GESC`/`GRAVE_ESC`|Acts as escape when pressed normally but when pressed with Shift or GUI will send a `~`|
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|`KC_LSPO`|Left shift when held, open paranthesis when tapped|
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|`KC_RSPC`|Right shift when held, close paranthesis when tapped|
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|`KC_LEAD`|The [leader key](leader_key.md)|
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|`FUNC(n)`/`F(n)`|Call `fn_action(n)`|
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|`M(n)`|to call macro n|
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|`MACROTAP(n)`|to macro-tap n idk FIXME|
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# Bootmagic Keycodes
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Shortcuts for bootmagic options (these work even when bootmagic is off.)
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|Name|Description|
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|----|-----------|
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|`MAGIC_SWAP_CONTROL_CAPSLOCK`|Swap Capslock and Left Control|
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|`MAGIC_CAPSLOCK_TO_CONTROL`|Treat Capslock like a Control Key|
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|`MAGIC_SWAP_LALT_LGUI`|Swap the left Alt and GUI keys|
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|`MAGIC_SWAP_RALT_RGUI`|Swap the right Alt and GUI keys|
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|`MAGIC_NO_GUI`|Disable the GUI key|
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|`MAGIC_SWAP_GRAVE_ESC`|Swap the Grave and Esc key.|
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|`MAGIC_SWAP_BACKSLASH_BACKSPACE`|Swap backslack and backspace|
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|`MAGIC_HOST_NKRO`|Force NKRO on|
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|`MAGIC_SWAP_ALT_GUI`/`AG_SWAP`|Swap Alt and Gui on both sides|
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|`MAGIC_UNSWAP_CONTROL_CAPSLOCK`|Disable the Control/Capslock swap|
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|`MAGIC_UNCAPSLOCK_TO_CONTROL`|Disable treating Capslock like Control |
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|`MAGIC_UNSWAP_LALT_LGUI`|Disable Left Alt and GUI switching|
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|`MAGIC_UNSWAP_RALT_RGUI`|Disable Right Alt and GUI switching|
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|`MAGIC_UNNO_GUI`|Enable the GUI key |
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|`MAGIC_UNSWAP_GRAVE_ESC`|Disable the Grave/Esc swap |
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|`MAGIC_UNSWAP_BACKSLASH_BACKSPACE`|Disable the backslash/backspace swap|
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|`MAGIC_UNHOST_NKRO`|Force NKRO off|
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|`MAGIC_UNSWAP_ALT_GUI`/`AG_NORM`|Disable the Alt/GUI switching|
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|`MAGIC_TOGGLE_NKRO`|Turn NKRO on or off|
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# Audio
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```c
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#ifdef AUDIO_ENABLE
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AU_ON,
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AU_OFF,
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AU_TOG,
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#ifdef FAUXCLICKY_ENABLE
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FC_ON,
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FC_OFF,
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FC_TOG,
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#endif
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// Music mode on/off/toggle
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MU_ON,
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MU_OFF,
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MU_TOG,
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// Music voice iterate
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MUV_IN,
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MUV_DE,
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#endif
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```
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## Midi
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#if !MIDI_ENABLE_STRICT || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
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MI_ON, // send midi notes when music mode is enabled
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MI_OFF, // don't send midi notes when music mode is enabled
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#endif
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MIDI_TONE_MIN,
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MIDI_TONE_MAX
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MI_C = MIDI_TONE_MIN,
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MI_Cs,
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MI_Db = MI_Cs,
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MI_D,
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MI_Ds,
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MI_Eb = MI_Ds,
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MI_E,
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MI_F,
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MI_Fs,
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MI_Gb = MI_Fs,
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MI_G,
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MI_Gs,
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MI_Ab = MI_Gs,
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MI_A,
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MI_As,
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MI_Bb = MI_As,
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MI_B,
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MIDI_TONE_KEYCODE_OCTAVES > 1
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where x = 1-5:
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MI_C_x,
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MI_Cs_x,
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MI_Db_x = MI_Cs_x,
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MI_D_x,
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MI_Ds_x,
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MI_Eb_x = MI_Ds_x,
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MI_E_x,
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MI_F_x,
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MI_Fs_x,
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MI_Gb_x = MI_Fs_x,
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MI_G_x,
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MI_Gs_x,
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MI_Ab_x = MI_Gs_x,
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MI_A_x,
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MI_As_x,
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MI_Bb_x = MI_As_x,
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MI_B_x,
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MI_OCT_Nx 1-2
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MI_OCT_x 0-7
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MIDI_OCTAVE_MIN = MI_OCT_N2,
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MIDI_OCTAVE_MAX = MI_OCT_7,
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MI_OCTD, // octave down
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MI_OCTU, // octave up
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MI_TRNS_Nx 1-6
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MI_TRNS_x 0-6
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MIDI_TRANSPOSE_MIN = MI_TRNS_N6,
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MIDI_TRANSPOSE_MAX = MI_TRNS_6,
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MI_TRNSD, // transpose down
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MI_TRNSU, // transpose up
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MI_VEL_x 1-10
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MIDI_VELOCITY_MIN = MI_VEL_1,
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MIDI_VELOCITY_MAX = MI_VEL_9,
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MI_VELD, // velocity down
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MI_VELU, // velocity up
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MI_CHx 1-16
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MIDI_CHANNEL_MIN = MI_CH1
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MIDI_CHANNEL_MAX = MI_CH16,
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MI_CHD, // previous channel
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MI_CHU, // next channel
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MI_ALLOFF, // all notes off
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MI_SUS, // sustain
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MI_PORT, // portamento
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MI_SOST, // sostenuto
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MI_SOFT, // soft pedal
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MI_LEG, // legato
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MI_MOD, // modulation
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MI_MODSD, // decrease modulation speed
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MI_MODSU, // increase modulation speed
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#endif // MIDI_ADVANCED
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# Backlight
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These keycodes control the backlight. Most keyboards use this for single color in-switch lighting.
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|Name|Description|
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|----|-----------|
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|`BL_x`|Set a specific backlight level between 0-9|
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|`BL_ON`|An alias for `BL_9`|
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|`BL_OFF`|An alias for `BL_0`|
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|`BL_DEC`|Turn the backlight level down by 1|
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|`BL_INC`|Turn the backlight level up by 1|
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|`BL_TOGG`|Toggle the backlight on or off|
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|`BL_STEP`|Step through backlight levels, wrapping around to 0 when you reach the top.|
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# RGBLIGHT WS2818 LEDs
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This controls the `RGBLIGHT` functionality. Most keyboards use WS2812 (and compatible) LEDs for underlight or case lighting.
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|Name|Description|
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|----|-----------|
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|`RGB_TOG`|toggle on/off|
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|`RGB_MOD`|cycle through modes|
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|`RGB_HUI`|hue increase|
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|`RGB_HUD`|hue decrease|
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|`RGB_SAI`|saturation increase|
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|`RGB_SAD`|saturation decrease|
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|`RGB_VAI`|value increase|
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|`RGB_VAD`|value decrease|
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## Thermal Printer (experimental)
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|Name|Description|
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|----|-----------|
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|`PRINT_ON`|Start printing everything the user types|
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|`PRINT_OFF`|Stop printing everything the user types|
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## Keyboard output selection
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This is used when multiple keyboard outputs can be selected. Currently this only allows for switching between USB and Bluetooth on keyboards that support both.
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|Name|Description|
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|----|-----------|
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|`OUT_AUTO`|auto mode|
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|`OUT_USB`|usb only|
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|`OUT_BT`|bluetooth (when `BLUETOOTH_ENABLE`)|
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# Modifiers
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These are special keycodes that simulate pressing several modifiers at once.
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|Name|Description|
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|----|-----------|
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|`KC_HYPR`|Hold down LCTL + LSFT + LALT + LGUI|
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|`KC_MEH`|Hold down LCTL + LSFT + LALT|
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/* FIXME: Should we have these in QMK too?
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* |`KC_LCAG`|`LCTL` + `LALT` + `LGUI`|
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* |`KC_ALTG`|`RCTL` + `RALT`|
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* |`KC_SCMD`/`KC_SWIN`|`LGUI` + `LSFT`|
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* |`KC_LCA`|`LCTL` + `LALT`|
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*/
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## Modifiers with keys
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|Name|Description|
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|----|-----------|
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|`LCTL(kc)`|`LCTL` + `kc`|
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|`LSFT(kc)`/`S(kc)`|`LSFT` + `kc`|
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|`LALT(kc)`|`LALT` + `kc`|
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|`LGUI(kc)`|`LGUI` + `kc`|
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|`RCTL(kc)`|`RCTL` + `kc`|
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|`RSFT(kc)`|`RSFT` + `kc`|
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|`RALT(kc)`|`RALT` + `kc`|
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|`RGUI(kc)`|`RGUI` + `kc`|
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|`HYPR(kc)`|`LCTL` + `LSFT` + `LALT` + `LGUI` + `kc`|
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|`MEH(kc)`|`LCTL` + `LSFT` + `LALT` + `kc`|
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|`LCAG(kc)`|`LCTL` + `LALT` + `LGUI` + `kc`|
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|`ALTG(kc)`|`RCTL` + `RALT` + `kc`|
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|`SCMD(kc)`/`SWIN(kc)`|`LGUI` + `LSFT` + `kc`|
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|`LCA(kc)`|`LCTL` + `LALT` + `kc`|
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## One Shot Keys
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Most modifiers work by being held down while you push another key. You can use `OSM()` to setup a "One Shot" modifier. When you tap a one shot mod it will remain is a pressed state until you press another key.
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To specify a your modifier you need to pass the `MOD` form of the key. For example, if you want to setup a One Shot Control you would use `OSM(MOD_LCTL)`.
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|Name|Description|
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|----|-----------|
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|`OSM(mod)`|use mod for one keypress|
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|`OSL(layer)`|switch to layer for one keypress|
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## Mod-tap keys
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These keycodes will press the mod(s) when held, and the key when tapped. They only work with [basic keycodes](basic_keycodes.md).
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|Name|Description|
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|----|-----------|
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|`CTL_T(kc)`/`LCTL_T(kc)`|`LCTL` when held, `kc` when tapped|
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|`RCTL_T(kc)`|`RCTL` when held, `kc` when tapped|
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|`SFT_T(kc)`/`LSFT_T(kc)`|`LSFT` when held, `kc` when tapped|
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|`RSFT_T(kc)`|`RSFT` when held, `kc` when tapped|
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|`ALT_T(kc)`/`LALT_T(kc)`|`LALT` when held, `kc` when tapped|
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|`RALT_T(kc)`/`ALGR_T(kc)`|`RALT` when held, `kc` when tapped|
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|`GUI_T(kc)`/`LGUI_T(kc)`|`LGUI` when held, `kc` when tapped|
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|`RGUI_T(kc)`|`RGUI` when held, `kc` when tapped|
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|`C_S_T(kc)`|`LCTL` + `LSFT` when held, `kc` when tapped|
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|`MEH_T(kc)`|`LCTL` + `LSFT` + `LALT` when held, `kc` when tapped|
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|`LCAG_T(kc)`|`LCTL` + `LALT` + `LGUI` when held, `kc` when tapped|
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|`RCAG_T(kc)`|`RCTL` + `RALT` + `RGUI` when held, `kc` when tapped|
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|`ALL_T(kc)`|`LCTL` + `LSFT` + `LALT` + `LGUI` when held, `kc` when tapped [more info](http://brettterpstra.com/2012/12/08/a-useful-caps-lock-key/)|
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|`SCMD_T(kc)`/`SWIN_T(kc)`|`LGUI` + `LSFT` when held, `kc` when tapped|
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|`LCA_T(kc)`|`LCTL` + `LALT` when held, `kc` when tapped|
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# US ANSI Shifted symbols
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These keycodes correspond to characters that are "shifted" on a standard US ANSI keyboards. They do not have dedicated keycodes but are instead typed by holding down shift and then sending a keycode.
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It's important to remember that all of these keycodes send a left shift - this may cause unintended actions if unaccounted for. The short code is preferred in most situations.
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|Short Name|Long Name|Description|
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|----------|---------|-----------|
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|`KC_TILD`|`KC_TILDE`|tilde `~`|
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|`KC_EXLM`|`KC_EXCLAIM`|exclamation mark `!`|
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|`KC_AT`||at sign `@`|
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|`KC_HASH`||hash sign `#`|
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|`KC_DLR`|`KC_DOLLAR`|dollar sign `$`|
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|`KC_PERC`|`KC_PERCENT`|percent sign `%`|
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|`KC_CIRC`|`KC_CIRCUMFLEX`|circumflex `^`|
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|`KC_AMPR`|`KC_AMPERSAND`|ampersand `&`|
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|`KC_ASTR`|`KC_ASTERISK`|asterisk `*`|
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|`KC_LPRN`|`KC_LEFT_PAREN`|left parenthesis `(`|
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|`KC_RPRN`|`KC_RIGHT_PAREN`|right parenthesis `)`|
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|`KC_UNDS`|`KC_UNDERSCORE`|underscore `_`|
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|`KC_PLUS`||plus sign `+`|
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|`KC_LCBR`|`KC_LEFT_CURLY_BRACE`|left curly brace `{`|
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|`KC_RCBR`|`KC_RIGHT_CURLY_BRACE`|right curly brace `}`|
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|`KC_LT`/`KC_LABK`|`KC_LEFT_ANGLE_BRACKET`|left angle bracket `<`|
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|`KC_GT`/`KC_RABK`|`KC_RIGHT_ANGLE_BRACKET`|right angle bracket `>`|
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|`KC_COLN`|`KC_COLON`|colon `:`|
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|`KC_PIPE`||pipe `\|`|
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|`KC_QUES`|`KC_QUESTION`|question mark `?`|
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|`KC_DQT`/`KC_DQUO`|`KC_DOUBLE_QUOTE`|double quote `"`|
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# Layer Changes
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These are keycodes that can be used to change the current layer.
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|Name|Description|
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|----|-----------|
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|`LT(layer, kc)`|turn on layer (0-15) when held, kc ([basic keycodes](basic_keycodes.md)) when tapped|
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|`TO(layer)`|turn on layer when depressed|
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|`MO(layer)`|momentarily turn on layer when depressed (requires `KC_TRNS` on destination layer)|
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|`DF(layer)`|sets the base (default) layer|
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|`TG(layer)`|toggle layer on/off|
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|`TT(layer)`|tap toggle? idk FIXME|
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|`OSL(layer)`|switch to layer for one keycode|
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# Unicode
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These keycodes can be used in conjuction with the [Unicode](unicode_and_additional_language_support.md) support.
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|`UNICODE(n)`/`UC(n)`|if `UNICODE_ENABLE`, this will send characters up to `0x7FFF`|
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|`X(n)`|if `UNICODEMAP_ENABLE`, also sends unicode via a different method|
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# `SAFE_RANGE`, or safely defining custom keycodes
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Sometimes you want to define your own custom keycodes to make your keymap easier to read. QMK provides `SAFE_RANGE` to help you do that. `SAFE_RANGE` is the first available keycode in the `0x0000`-`0xFFFF` range and you can use it when creating your own custom keycode enum:
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```
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enum my_keycodes {
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FOO = SAFE_RANGE,
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BAR
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};
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```
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You can then use `process_record_user()` to do something with your keycode:
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```
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bool process_record_user(uint16_t keycode, keyrecord_t *record) {
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switch (keycode) {
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case FOO:
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// Do something here
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break;
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case BAR:
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// Do something here
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break;
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}
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}
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```
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