Difference between revisions of "Scancode"

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Keyboard scancodes.
 
Keyboard scancodes.
  
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Scancodes are keyboard layout-independent, so the scancode "w" will be generated if the key in the same place as the "w" key on an [https://en.wikipedia.org/wiki/Keyboard_layout#/media/File:ISO_keyboard_(105)_QWERTY_UK.svg American QWERTY keyboard] is pressed, no matter what the key is labelled or what the user's operating system settings are.
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Scancodes are keyboard layout-independent, so the scancode string "w" will be generated if the key in the same place as the "w" key on an [https://en.wikipedia.org/wiki/Keyboard_layout#/media/File:ISO_keyboard_(105)_QWERTY_UK.svg American QWERTY keyboard] is pressed, no matter what the key is labelled or what the user's operating system settings are.
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Using scancodes, rather than keycodes, is useful because keyboards with layouts differing from the US/UK layout(s) might have keys that generate 'unknown' keycodes, but the scancodes will still be detected. This however would necessitate having a list for each keyboard layout one would choose to support.
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One could use textinput or textedited instead, but those only give back the end result of keys used, i.e. you can't get modifiers on their own from it, only the final symbols that were generated.
  
 
== Constants ==
 
== Constants ==
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== See Also ==
 
== See Also ==
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* [https://pastebin.com/kpxCK6qU Scancodes in plain text]
 
* [[parent::love.keyboard]]
 
* [[parent::love.keyboard]]
 
* [[love.keypressed]]
 
* [[love.keypressed]]

Latest revision as of 18:26, 24 October 2022

Available since LÖVE 0.9.2
This enum is not supported in earlier versions.

Keyboard scancodes.

Scancodes are keyboard layout-independent, so the scancode string "w" will be generated if the key in the same place as the "w" key on an American QWERTY keyboard is pressed, no matter what the key is labelled or what the user's operating system settings are.

Using scancodes, rather than keycodes, is useful because keyboards with layouts differing from the US/UK layout(s) might have keys that generate 'unknown' keycodes, but the scancodes will still be detected. This however would necessitate having a list for each keyboard layout one would choose to support.

One could use textinput or textedited instead, but those only give back the end result of keys used, i.e. you can't get modifiers on their own from it, only the final symbols that were generated.

Constants

a
The 'A' key on an American layout.
b
The 'B' key on an American layout.
c
The 'C' key on an American layout.
d
The 'D' key on an American layout.
e
The 'E' key on an American layout.
f
The 'F' key on an American layout.
g
The 'G' key on an American layout.
h
The 'H' key on an American layout.
i
The 'I' key on an American layout.
j
The 'J' key on an American layout.
k
The 'K' key on an American layout.
l
The 'L' key on an American layout.
m
The 'M' key on an American layout.
n
The 'N' key on an American layout.
o
The 'O' key on an American layout.
p
The 'P' key on an American layout.
q
The 'Q' key on an American layout.
r
The 'R' key on an American layout.
s
The 'S' key on an American layout.
t
The 'T' key on an American layout.
u
The 'U' key on an American layout.
v
The 'V' key on an American layout.
w
The 'W' key on an American layout.
x
The 'X' key on an American layout.
y
The 'Y' key on an American layout.
z
The 'Z' key on an American layout.
1
The '1' key on an American layout.
2
The '2' key on an American layout.
3
The '3' key on an American layout.
4
The '4' key on an American layout.
5
The '5' key on an American layout.
6
The '6' key on an American layout.
7
The '7' key on an American layout.
8
The '8' key on an American layout.
9
The '9' key on an American layout.
0
The '0' key on an American layout.
return
The 'return' / 'enter' key on an American layout.
escape
The 'escape' key on an American layout.
backspace
The 'backspace' key on an American layout.
tab
The 'tab' key on an American layout.
space
The spacebar on an American layout.
-
The minus key on an American layout.
=
The equals key on an American layout.
[
The left-bracket key on an American layout.
]
The right-bracket key on an American layout.
\
The backslash key on an American layout.
nonus#
The non-U.S. hash scancode.
 ;
The semicolon key on an American layout.
'
The apostrophe key on an American layout.
`
The back-tick / grave key on an American layout.
,
The comma key on an American layout.
.
The period key on an American layout.
/
The forward-slash key on an American layout.
capslock
The capslock key on an American layout.
f1
The F1 key on an American layout.
f2
The F2 key on an American layout.
f3
The F3 key on an American layout.
f4
The F4 key on an American layout.
f5
The F5 key on an American layout.
f6
The F6 key on an American layout.
f7
The F7 key on an American layout.
f8
The F8 key on an American layout.
f9
The F9 key on an American layout.
f10
The F10 key on an American layout.
f11
The F11 key on an American layout.
f12
The F12 key on an American layout.
f13
The F13 key on an American layout.
f14
The F14 key on an American layout.
f15
The F15 key on an American layout.
f16
The F16 key on an American layout.
f17
The F17 key on an American layout.
f18
The F18 key on an American layout.
f19
The F19 key on an American layout.
f20
The F20 key on an American layout.
f21
The F21 key on an American layout.
f22
The F22 key on an American layout.
f23
The F23 key on an American layout.
f24
The F24 key on an American layout.
lctrl
The left control key on an American layout.
lshift
The left shift key on an American layout.
lalt
The left alt / option key on an American layout.
lgui
The left GUI (command / windows / super) key on an American layout.
rctrl
The right control key on an American layout.
rshift
The right shift key on an American layout.
ralt
The right alt / option key on an American layout.
rgui
The right GUI (command / windows / super) key on an American layout.
printscreen
The printscreen key on an American layout.
scrolllock
The scroll-lock key on an American layout.
pause
The pause key on an American layout.
insert
The insert key on an American layout.
home
The home key on an American layout.
numlock
The numlock / clear key on an American layout.
pageup
The page-up key on an American layout.
delete
The forward-delete key on an American layout.
end
The end key on an American layout.
pagedown
The page-down key on an American layout.
right
The right-arrow key on an American layout.
left
The left-arrow key on an American layout.
down
The down-arrow key on an American layout.
up
The up-arrow key on an American layout.
nonusbackslash
The non-U.S. backslash scancode.
application
The application key on an American layout. Windows contextual menu, compose key.
execute
The 'execute' key on an American layout.
help
The 'help' key on an American layout.
menu
The 'menu' key on an American layout.
select
The 'select' key on an American layout.
stop
The 'stop' key on an American layout.
again
The 'again' key on an American layout.
undo
The 'undo' key on an American layout.
cut
The 'cut' key on an American layout.
copy
The 'copy' key on an American layout.
paste
The 'paste' key on an American layout.
find
The 'find' key on an American layout.

Keypad scancodes

kp/
The keypad forward-slash key on an American layout.
kp*
The keypad '*' key on an American layout.
kp-
The keypad minus key on an American layout.
kp+
The keypad plus key on an American layout.
kp=
The keypad equals key on an American layout.
kpenter
The keypad enter key on an American layout.
kp1
The keypad '1' key on an American layout.
kp2
The keypad '2' key on an American layout.
kp3
The keypad '3' key on an American layout.
kp4
The keypad '4' key on an American layout.
kp5
The keypad '5' key on an American layout.
kp6
The keypad '6' key on an American layout.
kp7
The keypad '7' key on an American layout.
kp8
The keypad '8' key on an American layout.
kp9
The keypad '9' key on an American layout.
kp0
The keypad '0' key on an American layout.
kp.
The keypad period key on an American layout.

International / language scancodes

international1
The 1st international key on an American layout. Used on Asian keyboards.
international2
The 2nd international key on an American layout.
international3
The 3rd international key on an American layout. Yen.
international4
The 4th international key on an American layout.
international5
The 5th international key on an American layout.
international6
The 6th international key on an American layout.
international7
The 7th international key on an American layout.
international8
The 8th international key on an American layout.
international9
The 9th international key on an American layout.
lang1
Hangul/English toggle scancode.
lang2
Hanja conversion scancode.
lang3
Katakana scancode.
lang4
Hiragana scancode.
lang5
Zenkaku/Hankaku scancode.

Media scancodes

mute
The mute key on an American layout.
volumeup
The volume up key on an American layout.
volumedown
The volume down key on an American layout.
audionext
The audio next track key on an American layout.
audioprev
The audio previous track key on an American layout.
audiostop
The audio stop key on an American layout.
audioplay
The audio play key on an American layout.
audiomute
The audio mute key on an American layout.
mediaselect
The media select key on an American layout.
www
The 'WWW' key on an American layout.
mail
The Mail key on an American layout.
calculator
The calculator key on an American layout.
computer
The 'computer' key on an American layout.
acsearch
The AC Search key on an American layout.
achome
The AC Home key on an American layout.
acback
The AC Back key on an American layout.
acforward
The AC Forward key on an American layout.
acstop
Th AC Stop key on an American layout.
acrefresh
The AC Refresh key on an American layout.
acbookmarks
The AC Bookmarks key on an American layout.

Hardware setting scancodes

power
The system power scancode.
brightnessdown
The brightness-down scancode.
brightnessup
The brightness-up scancode.
displayswitch
The display switch scancode.
kbdillumtoggle
The keyboard illumination toggle scancode.
kbdillumdown
The keyboard illumination down scancode.
kbdillumup
The keyboard illumination up scancode.
eject
The eject scancode.
sleep
The system sleep scancode.

Misc.

alterase
The alt-erase key on an American layout.
sysreq
The sysreq key on an American layout.
cancel
The 'cancel' key on an American layout.
clear
The 'clear' key on an American layout.
prior
The 'prior' key on an American layout.
return2
The 'return2' key on an American layout.
separator
The 'separator' key on an American layout.
out
The 'out' key on an American layout.
oper
The 'oper' key on an American layout.
clearagain
The 'clearagain' key on an American layout.
crsel
The 'crsel' key on an American layout.
exsel
The 'exsel' key on an American layout.
kp00
The keypad 00 key on an American layout.
kp000
The keypad 000 key on an American layout.
thsousandsseparator
The thousands-separator key on an American layout.
decimalseparator
The decimal separator key on an American layout.
currencyunit
The currency unit key on an American layout.
currencysubunit
The currency sub-unit key on an American layout.
app1
The 'app1' scancode.
app2
The 'app2' scancode.
unknown
An unknown key.

See Also


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