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# Configuration
To override global configuration parameters, create a `config.toml` file located in your config directory:
* Linux and Mac: `~/.config/helix/config.toml`
* Windows: `%AppData%\helix\config.toml`
> Hint: You can easily open the config file by typing `:config-open` within Helix normal mode.
Example config:
```toml
theme = "onedark"
[editor]
line-number = "relative"
mouse = false
[editor.cursor-shape]
insert = "bar"
normal = "block"
select = "underline"
[editor.file-picker]
hidden = false
```
## Editor
### `[editor]` Section
| Key | Description | Default |
|--|--|---------|
| `scrolloff` | Number of lines of padding around the edge of the screen when scrolling. | `3` |
| `mouse` | Enable mouse mode. | `true` |
| `middle-click-paste` | Middle click paste support. | `true` |
| `scroll-lines` | Number of lines to scroll per scroll wheel step. | `3` |
| `shell` | Shell to use when running external commands. | Unix: `["sh", "-c"]`<br/>Windows: `["cmd", "/C"]` |
| `line-number` | Line number display: `absolute` simply shows each line's number, while `relative` shows the distance from the current line. When unfocused or in insert mode, `relative` will still show absolute line numbers. | `absolute` |
| `gutters` | Gutters to display: Available are `diagnostics` and `line-numbers`, note that `diagnostics` also includes other features like breakpoints | `["diagnostics", "line-numbers"]` |
| `auto-completion` | Enable automatic pop up of auto-completion. | `true` |
| `idle-timeout` | Time in milliseconds since last keypress before idle timers trigger. Used for autocompletion, set to 0 for instant. | `400` |
| `completion-trigger-len` | The min-length of word under cursor to trigger autocompletion | `2` |
| `auto-info` | Whether to display infoboxes | `true` |
| `true-color` | Set to `true` to override automatic detection of terminal truecolor support in the event of a false negative. | `false` |
| `rulers` | List of column positions at which to display the rulers. Can be overridden by language specific `rulers` in `languages.toml` file. | `[]` |
### `[editor.lsp]` Section
| Key | Description | Default |
| --- | ----------- | ------- |
| `display-messages` | Display LSP progress messages below statusline[^1] | `false` |
[^1]: A progress spinner is always shown in the statusline beside the file path.
### `[editor.cursor-shape]` Section
Defines the shape of cursor in each mode. Note that due to limitations
of the terminal environment, only the primary cursor can change shape.
Valid values for these options are `block`, `bar`, `underline`, or `none`.
| Key | Description | Default |
| --- | ----------- | ------- |
| `normal` | Cursor shape in [normal mode][normal mode] | `block` |
| `insert` | Cursor shape in [insert mode][insert mode] | `block` |
| `select` | Cursor shape in [select mode][select mode] | `block` |
[normal mode]: ./keymap.md#normal-mode
[insert mode]: ./keymap.md#insert-mode
[select mode]: ./keymap.md#select--extend-mode
### `[editor.file-picker]` Section
Sets options for file picker and global search. All but the last key listed in
the default file-picker configuration below are IgnoreOptions: whether hidden
files and files listed within ignore files are ignored by (not visible in) the
helix file picker and global search. There is also one other key, `max-depth`
available, which is not defined by default.
| Key | Description | Default |
|--|--|---------|
|`hidden` | Enables ignoring hidden files. | true
|`parents` | Enables reading ignore files from parent directories. | true
|`ignore` | Enables reading `.ignore` files. | true
|`git-ignore` | Enables reading `.gitignore` files. | true
|`git-global` | Enables reading global .gitignore, whose path is specified in git's config: `core.excludefile` option. | true
|`git-exclude` | Enables reading `.git/info/exclude` files. | true
|`max-depth` | Set with an integer value for maximum depth to recurse. | Defaults to `None`.
### `[editor.auto-pairs]` Section
Enable automatic insertion of pairs to parentheses, brackets, etc. Can be
a simple boolean value, or a specific mapping of pairs of single characters.
| Key | Description |
| --- | ----------- |
| `false` | Completely disable auto pairing, regardless of language-specific settings
| `true` | Use the default pairs: <code>(){}[]''""``</code>
| Mapping of pairs | e.g. `{ "(" = ")", "{" = "}", ... }`
Example
```toml
[editor.auto-pairs]
'(' = ')'
'{' = '}'
'[' = ']'
'"' = '"'
'`' = '`'
'<' = '>'
```
Additionally, this setting can be used in a language config. Unless
the editor setting is `false`, this will override the editor config in
documents with this language.
Example `languages.toml` that adds <> and removes ''
```toml
[[language]]
name = "rust"
[language.auto-pairs]
'(' = ')'
'{' = '}'
'[' = ']'
'"' = '"'
'`' = '`'
'<' = '>'
```
### `[editor.search]` Section
Search specific options.
| Key | Description | Default |
|--|--|---------|
| `smart-case` | Enable smart case regex searching (case insensitive unless pattern contains upper case characters) | `true` |
| `wrap-around`| Whether the search should wrap after depleting the matches | `true` |
### `[editor.whitespace]` Section
Options for rendering whitespace with visible characters. Use `:set whitespace.render all` to temporarily enable visible whitespace.
| Key | Description | Default |
|-----|-------------|---------|
| `render` | Whether to render whitespace. May either be `"all"` or `"none"`, or a table with sub-keys `space`, `tab`, and `newline`. | `"none"` |
| `characters` | Literal characters to use when rendering whitespace. Sub-keys may be any of `tab`, `space` or `newline` | See example below |
Example
```toml
[editor.whitespace]
render = "all"
# or control each character
[editor.whitespace.render]
space = "all"
tab = "all"
newline = "none"
[editor.whitespace.characters]
space = "·"
tab = "→"
newline = "⏎"
```
|
