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Docs Key-Remapping: Move Commands to top as introduction (#11953)

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book/src/remapping.md
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@ -4,10 +4,31 @@ ## Key remapping
file. (More powerful solutions such as rebinding via commands will be
available in the future).
There are three kinds of commands that can be used in keymaps:
* Static commands: commands like `move_char_right` which are usually bound to
keys and used for movement and editing. A list of static commands is
available in the [Keymap](./keymap.html) documentation and in the source code
in [`helix-term/src/commands.rs`](https://github.com/helix-editor/helix/blob/master/helix-term/src/commands.rs)
at the invocation of `static_commands!` macro.
* Typable commands: commands that can be executed from command mode (`:`), for
example `:write!`. See the [Commands](./commands.html) documentation for a
list of available typeable commands or the `TypableCommandList` declaration in
the source code at [`helix-term/src/commands/typed.rs`](https://github.com/helix-editor/helix/blob/master/helix-term/src/commands/typed.rs).
* Macros: sequences of keys that are executed in order. These keybindings
start with `@` and then list any number of keys to be executed. For example
`@miw` can be used to select the surrounding word. For now, macro keybindings
are not allowed in keybinding sequences due to limitations in the way that
command sequences are executed. Modifier keys (e.g. Alt+o) can be used
like `"<A-o>"`, e.g. `"@miw<A-o>"`
To remap keys, create a `config.toml` file in your `helix` configuration
directory (default `~/.config/helix` on Linux systems) with a structure like
this:
> 💡 To set a modifier + key as a keymap, type `A-X = ...` or `C-X = ...` for Alt + X or Ctrl + X. Combine with Shift using a dash, e.g. `C-S-esc`.
> Within macros, wrap them in `<>`, e.g. `<A-X>` and `<C-X>` to distinguish from the `A` or `C` keys.
```toml
# At most one section each of 'keys.normal', 'keys.insert' and 'keys.select'
[keys.normal]
@ -18,6 +39,7 @@ # At most one section each of 'keys.normal', 'keys.insert' and 'keys.select'
"C-S-esc" = "extend_line" # Maps Ctrl-Shift-Escape to extend_line
g = { a = "code_action" } # Maps `ga` to show possible code actions
"ret" = ["open_below", "normal_mode"] # Maps the enter key to open_below then re-enter normal mode
"A-x" = "@x<A-d>" # Maps Alt-x to a macro selecting the whole line and deleting it without yanking it
[keys.insert]
"A-x" = "normal_mode" # Maps Alt-X to enter normal mode
@ -74,23 +96,3 @@ ## Special keys and modifiers
| Escape | `"esc"` |
Keys can be disabled by binding them to the `no_op` command.
## Commands
There are three kinds of commands that can be used in keymaps:
* Static commands: commands like `move_char_right` which are usually bound to
keys and used for movement and editing. A list of static commands is
available in the [Keymap](./keymap.html) documentation and in the source code
in [`helix-term/src/commands.rs`](https://github.com/helix-editor/helix/blob/master/helix-term/src/commands.rs)
at the invocation of `static_commands!` macro.
* Typable commands: commands that can be executed from command mode (`:`), for
example `:write!`. See the [Commands](./commands.html) documentation for a
list of available typeable commands or the `TypableCommandList` declaration in
the source code at [`helix-term/src/commands/typed.rs`](https://github.com/helix-editor/helix/blob/master/helix-term/src/commands/typed.rs).
* Macros: sequences of keys that are executed in order. These keybindings
start with `@` and then list any number of keys to be executed. For example
`@miw` can be used to select the surrounding word. For now, macro keybindings
are not allowed in keybinding sequences due to limitations in the way that
command sequences are executed. Modifier keys (e.g. Alt+o) can be used
like `"<A-o>"`, e.g. `"@miw<A-o>"`