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kakoune/doc/pages/mapping.asciidoc
Tobias Pisani 1c352e996c Add <quote> and <dquote> key name aliases.
These two can also be annoying to have to escape, so this should make it slightly easier to manage
2024-06-05 20:02:38 +10:00

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= Mapping
== Description
Creating and removing shortcuts boils down to the following commands,
respectively:
---------------------------------------
map [switches] <scope> <mode> <key> <keys>
unmap <scope> <mode> <key> [<expected>]
---------------------------------------
The *map* command makes *key* behave as if the *keys* sequence was typed.
*mode* dictates in what context the mapping will be available:
*insert*::
insert mode
*normal*::
normal mode
*prompt*::
prompts, such as when entering a command through *:*, or a regex through */*
*user*::
mode entered when the user prefix is hit (default: '<space>')
*goto*::
mode entered when the goto key is hit (default: 'g')
*view*::
mode entered when the view key is hit (default: 'v')
*object*::
mode entered when an object selection is triggered (e.g. '<a-i>')
The context of execution of the above modes is always the current one at the
time of execution of the mapping, except for *user* mode (always executed
in a 'normal' context). Refer to <<modes#,`:doc modes`>> for more details.
An optional *-docstring* switch followed by a string can be used
to describe what the mapping does. This docstring will be used
in autoinfo boxes.
The *unmap* command removes a mapping of *key* in the given *scope* and
*mode*. If *expected* is specified, the mapping is removed only if it is
set to the same sequence of keys passed using the *expected* argument.
For more information about the values of the *scope* parameter, refer to
<<scopes#,`:doc scopes`>>.
== Mapping commands
It's common to use a normal-mode or user-mode mapping to trigger a command,
like this:
----
map global user n :make-next-error<ret>
----
If you make a normal-mode mapping, you can prefix it with a count or a register
name like any other normal-mode key. You can forward this information to the
command you invoke with the `%val{count}` and `%val{register}` expansions
(See <<expansions#,`:doc expansions`>>). For example:
----
map global normal = ':echo Got count %val{count} and reg %val{register}<ret>'
----
== Mappable keys
See <<keys#,`:doc keys`>> to learn what each key does in each mode. The keys on
the right-hand side of the mapping are not affected by other mappings, they
always perform their original function.
For *key* and *keys* in the *map* command, the following key names can
be used:
*x*, *<x>*::
Most keys, especially alphabetic keys, represent themselves.
Keys can also be wrapped in angle-brackets for consistency
with the non-alphabetic keys below.
*<c-x>*::
Holding down Control while pressing the *x* key.
*<a-x>*::
Holding down Alt while pressing the *x* key.
*<s-x>*, *X*, *<X>*, *<s-X>*::
Holding down Shift while pressing the *x* key.
*<s-x>*, *<s-X>* and *<X>* are treated as the same key. The *s-* modifier
only works with ASCII letters and cannot be used with other printable keys
(non-ASCII letters, digits, punctuation) because their shift behaviour
depends on your keyboard layout. The *s-* modifier _can_ be used with
special keys like *<up>* and *<tab>*.
*<c-a-x>*::
Holding down Control and Alt while pressing the *x* key.
*<lt>*, *<gt>*::
The *<* and *>* characters.
*<plus>*, *<minus>*::
The *+* and *-* characters.
*<ret>*::
The Return or Enter key.
*<space>*::
The space bar.
*<tab>*::
The Tab key.
*<backspace>*::
The Backspace (delete to the left) key.
*<del>*::
The Delete (to the right) key.
*<esc>*::
The Escape key.
*<up>*, *<down>*, *<left>*, *<right>*::
*<pageup>*, *<pagedown>*, *<home>*, *<end>*::
The usual cursor-movement keys.
*<ins>*::
The Insert key.
*<F1>*, *<F2>*, ...*<F12>*::
Function keys.
*<semicolon>*, *<percent>*, *<quote>*, *<dquote>*::
The *;*, *%*, *'* and *"* characters, these keys allow reducing the amount
of backslash escaping in scripts (for example, `exec \%` becomes `exec
<percent>`)
NOTE: Although Kakoune allows many key combinations to be mapped, not every
possible combination can be triggered. For example, due to limitations in
the way terminals handle control characters, mappings like *<c-s-a>* are
unlikely to work in Kakoune's terminal UI.
Some keys, like `<c-c>` and `<c-g>`, cannot be remapped because they are
used to cancel operations. See <<keys#cancelling-operations,`:doc keys cancelling-operations`>>.
== Default mappings
Some mappings exist by default in the global scope:
In normal mode:
* `<left>` maps to `h`
* `<right>` maps to `l`
* `<up>` maps to `k`
* `<down>` maps to `j`
* `<home>` maps to `<a-h>`
* `<end>` maps to `<a-l>`
Shift version of those mappings exist as well
(for example `<s-left>` maps to `H`).