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Add NumLock and CapsLock reporting to the keyboard protocol

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Kovid Goyal
2021-04-13 07:10:00 +05:30
parent c989a7198b
commit 4c644b8556
9 changed files with 62 additions and 27 deletions
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docs/keyboard-protocol.rst
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@@ -141,16 +141,19 @@ Modifiers
~~~~~~~~~~~~~~
This protocol supports six modifier keys, :kbd:`shift, alt, ctrl, super, hyper
and meta`. Here :kbd:`super` is either the *Windows/Linux* key or the *Cmd* key on
mac keyboards. :kbd:`hyper` and :kbd:`meta` are typically present only on X11
based systems with special XKB rules. Modifiers are encoded as a bit field with::
and meta` as well as :kbd:`num_lock and caps_lock`. Here :kbd:`super` is either
the *Windows/Linux* key or the *Cmd* key on mac keyboards. :kbd:`hyper` and
:kbd:`meta` are typically present only on X11 based systems with special XKB
rules. Modifiers are encoded as a bit field with::
shift 0b1 (1)
alt 0b10 (2)
ctrl 0b100 (4)
super 0b1000 (8)
hyper 0b10000 (16)
meta 0b100000 (32)
shift 0b1 (1)
alt 0b10 (2)
ctrl 0b100 (4)
super 0b1000 (8)
hyper 0b10000 (16)
meta 0b100000 (32)
caps_lock 0b1000000 (64)
num_lock 0b10000000 (128)
In the escape code, the modifier value is encoded as a decimal number which is
``1 + actual modifiers``. So to represent :kbd:`shift` only, the value would be ``1 +