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helix/book/src/configuration.md

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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`
3 years ago
> 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
```
You may also specify a file to use for configuration with the `-c` or
`--config` CLI argument: `hx -c path/to/custom-config.toml`.
## 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` |
| `cursorline` | Highlight all lines with a cursor. | `false` |
| `gutters` | Gutters to display: Available are `diagnostics` and `line-numbers` and `spacer`, note that `diagnostics` also includes other features like breakpoints, 1-width padding will be inserted if gutters is non-empty | `["diagnostics", "line-numbers"]` |
| `auto-completion` | Enable automatic pop up of auto-completion. | `true` |
| `auto-format` | Enable automatic formatting on save. | `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. | `[]` |
| `color-modes` | Whether to color the mode indicator with different colors depending on the mode itself | `false` |
Customizable/configurable status line (#2434) * feat(statusline): add the file type (language id) to the status line * refactor(statusline): move the statusline implementation into an own struct * refactor(statusline): split the statusline implementation into different functions * refactor(statusline): Append elements using a consistent API This is a preparation for the configurability which is about to be implemented. * refactor(statusline): implement render_diagnostics() This avoid cluttering the render() function and will simplify configurability. * feat(statusline): make the status line configurable * refactor(statusline): make clippy happy * refactor(statusline): avoid intermediate StatusLineObject Use a more functional approach to obtain render functions and write to the buffers, and avoid an intermediate StatusLineElement object. * fix(statusline): avoid rendering the left elements twice * refactor(statusline): make clippy happy again * refactor(statusline): rename `buffer` into `parts` * refactor(statusline): ensure the match is exhaustive * fix(statusline): avoid an overflow when calculating the maximal center width * chore(statusline): Describe the statusline configurability in the book * chore(statusline): Correct and add documentation * refactor(statusline): refactor some code following the code review Avoid very small helper functions for the diagnositcs and inline them instead. Rename the config field `status_line` to `statusline` to remain consistent with `bufferline`. * chore(statusline): adjust documentation following the config field refactoring * revert(statusline): revert regression introduced by c0a1870 * chore(statusline): slight adjustment in the configuration documentation * feat(statusline): integrate changes from #2676 after rebasing * refactor(statusline): remove the StatusLine struct Because none of the functions need `Self` and all of them are in an own file, there is no explicit need for the struct. * fix(statusline): restore the configurability of color modes The configuration was ignored after reintegrating the changes of #2676 in 8d28f95. * fix(statusline): remove the spinner padding * refactor(statusline): remove unnecessary format!()
2 years ago
### `[editor.statusline]` Section
Allows configuring the statusline at the bottom of the editor.
The configuration distinguishes between three areas of the status line:
`[ ... ... LEFT ... ... | ... ... ... ... CENTER ... ... ... ... | ... ... RIGHT ... ... ]`
Statusline elements can be defined as follows:
```toml
[editor.statusline]
left = ["mode", "spinner"]
center = ["file-name"]
right = ["diagnostics", "selections", "position", "file-encoding", "file-line-ending", "file-type"]
separator = "│"
Customizable/configurable status line (#2434) * feat(statusline): add the file type (language id) to the status line * refactor(statusline): move the statusline implementation into an own struct * refactor(statusline): split the statusline implementation into different functions * refactor(statusline): Append elements using a consistent API This is a preparation for the configurability which is about to be implemented. * refactor(statusline): implement render_diagnostics() This avoid cluttering the render() function and will simplify configurability. * feat(statusline): make the status line configurable * refactor(statusline): make clippy happy * refactor(statusline): avoid intermediate StatusLineObject Use a more functional approach to obtain render functions and write to the buffers, and avoid an intermediate StatusLineElement object. * fix(statusline): avoid rendering the left elements twice * refactor(statusline): make clippy happy again * refactor(statusline): rename `buffer` into `parts` * refactor(statusline): ensure the match is exhaustive * fix(statusline): avoid an overflow when calculating the maximal center width * chore(statusline): Describe the statusline configurability in the book * chore(statusline): Correct and add documentation * refactor(statusline): refactor some code following the code review Avoid very small helper functions for the diagnositcs and inline them instead. Rename the config field `status_line` to `statusline` to remain consistent with `bufferline`. * chore(statusline): adjust documentation following the config field refactoring * revert(statusline): revert regression introduced by c0a1870 * chore(statusline): slight adjustment in the configuration documentation * feat(statusline): integrate changes from #2676 after rebasing * refactor(statusline): remove the StatusLine struct Because none of the functions need `Self` and all of them are in an own file, there is no explicit need for the struct. * fix(statusline): restore the configurability of color modes The configuration was ignored after reintegrating the changes of #2676 in 8d28f95. * fix(statusline): remove the spinner padding * refactor(statusline): remove unnecessary format!()
2 years ago
```
The following elements can be configured:
| Key | Description |
| ------ | ----------- |
| `mode` | The current editor mode (`NOR`/`INS`/`SEL`) |
| `spinner` | A progress spinner indicating LSP activity |
| `file-name` | The path/name of the opened file |
| `file-encoding` | The encoding of the opened file if it differs from UTF-8 |
| `file-line-ending` | The file line endings (CRLF or LF) |
Customizable/configurable status line (#2434) * feat(statusline): add the file type (language id) to the status line * refactor(statusline): move the statusline implementation into an own struct * refactor(statusline): split the statusline implementation into different functions * refactor(statusline): Append elements using a consistent API This is a preparation for the configurability which is about to be implemented. * refactor(statusline): implement render_diagnostics() This avoid cluttering the render() function and will simplify configurability. * feat(statusline): make the status line configurable * refactor(statusline): make clippy happy * refactor(statusline): avoid intermediate StatusLineObject Use a more functional approach to obtain render functions and write to the buffers, and avoid an intermediate StatusLineElement object. * fix(statusline): avoid rendering the left elements twice * refactor(statusline): make clippy happy again * refactor(statusline): rename `buffer` into `parts` * refactor(statusline): ensure the match is exhaustive * fix(statusline): avoid an overflow when calculating the maximal center width * chore(statusline): Describe the statusline configurability in the book * chore(statusline): Correct and add documentation * refactor(statusline): refactor some code following the code review Avoid very small helper functions for the diagnositcs and inline them instead. Rename the config field `status_line` to `statusline` to remain consistent with `bufferline`. * chore(statusline): adjust documentation following the config field refactoring * revert(statusline): revert regression introduced by c0a1870 * chore(statusline): slight adjustment in the configuration documentation * feat(statusline): integrate changes from #2676 after rebasing * refactor(statusline): remove the StatusLine struct Because none of the functions need `Self` and all of them are in an own file, there is no explicit need for the struct. * fix(statusline): restore the configurability of color modes The configuration was ignored after reintegrating the changes of #2676 in 8d28f95. * fix(statusline): remove the spinner padding * refactor(statusline): remove unnecessary format!()
2 years ago
| `file-type` | The type of the opened file |
| `diagnostics` | The number of warnings and/or errors |
| `selections` | The number of active selections |
| `position` | The cursor position |
| `position-percentage` | The cursor position as a percentage of the total number of lines |
| `separator` | The string defined in `editor.statusline.separator` (defaults to `"│"`) |
| `spacer` | Inserts a space between elements (multiple/contiguous spacers may be specified) |
Customizable/configurable status line (#2434) * feat(statusline): add the file type (language id) to the status line * refactor(statusline): move the statusline implementation into an own struct * refactor(statusline): split the statusline implementation into different functions * refactor(statusline): Append elements using a consistent API This is a preparation for the configurability which is about to be implemented. * refactor(statusline): implement render_diagnostics() This avoid cluttering the render() function and will simplify configurability. * feat(statusline): make the status line configurable * refactor(statusline): make clippy happy * refactor(statusline): avoid intermediate StatusLineObject Use a more functional approach to obtain render functions and write to the buffers, and avoid an intermediate StatusLineElement object. * fix(statusline): avoid rendering the left elements twice * refactor(statusline): make clippy happy again * refactor(statusline): rename `buffer` into `parts` * refactor(statusline): ensure the match is exhaustive * fix(statusline): avoid an overflow when calculating the maximal center width * chore(statusline): Describe the statusline configurability in the book * chore(statusline): Correct and add documentation * refactor(statusline): refactor some code following the code review Avoid very small helper functions for the diagnositcs and inline them instead. Rename the config field `status_line` to `statusline` to remain consistent with `bufferline`. * chore(statusline): adjust documentation following the config field refactoring * revert(statusline): revert regression introduced by c0a1870 * chore(statusline): slight adjustment in the configuration documentation * feat(statusline): integrate changes from #2676 after rebasing * refactor(statusline): remove the StatusLine struct Because none of the functions need `Self` and all of them are in an own file, there is no explicit need for the struct. * fix(statusline): restore the configurability of color modes The configuration was ignored after reintegrating the changes of #2676 in 8d28f95. * fix(statusline): remove the spinner padding * refactor(statusline): remove unnecessary format!()
2 years ago
### `[editor.lsp]` Section
| Key | Description | Default |
| --- | ----------- | ------- |
| `display-messages` | Display LSP progress messages below statusline[^1] | `false` |
| `auto-signature-help` | Enable automatic popup of signature help (parameter hints) | `true` |
| `display-signature-help-docs` | Display docs under signature help popup | `true` |
Customizable/configurable status line (#2434) * feat(statusline): add the file type (language id) to the status line * refactor(statusline): move the statusline implementation into an own struct * refactor(statusline): split the statusline implementation into different functions * refactor(statusline): Append elements using a consistent API This is a preparation for the configurability which is about to be implemented. * refactor(statusline): implement render_diagnostics() This avoid cluttering the render() function and will simplify configurability. * feat(statusline): make the status line configurable * refactor(statusline): make clippy happy * refactor(statusline): avoid intermediate StatusLineObject Use a more functional approach to obtain render functions and write to the buffers, and avoid an intermediate StatusLineElement object. * fix(statusline): avoid rendering the left elements twice * refactor(statusline): make clippy happy again * refactor(statusline): rename `buffer` into `parts` * refactor(statusline): ensure the match is exhaustive * fix(statusline): avoid an overflow when calculating the maximal center width * chore(statusline): Describe the statusline configurability in the book * chore(statusline): Correct and add documentation * refactor(statusline): refactor some code following the code review Avoid very small helper functions for the diagnositcs and inline them instead. Rename the config field `status_line` to `statusline` to remain consistent with `bufferline`. * chore(statusline): adjust documentation following the config field refactoring * revert(statusline): revert regression introduced by c0a1870 * chore(statusline): slight adjustment in the configuration documentation * feat(statusline): integrate changes from #2676 after rebasing * refactor(statusline): remove the StatusLine struct Because none of the functions need `Self` and all of them are in an own file, there is no explicit need for the struct. * fix(statusline): restore the configurability of color modes The configuration was ignored after reintegrating the changes of #2676 in 8d28f95. * fix(statusline): remove the spinner padding * refactor(statusline): remove unnecessary format!()
2 years ago
[^1]: By default, a progress spinner is 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 `hidden`.
| 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
Enables automatic insertion of pairs to parentheses, brackets, etc. Can be a
simple boolean value, or a specific mapping of pairs of single characters.
To disable auto-pairs altogether, set `auto-pairs` to `false`:
```toml
[editor]
auto-pairs = false # defaults to `true`
```
The default pairs are <code>(){}[]''""``</code>, but these can be customized by
setting `auto-pairs` to a TOML table:
```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`, `nbsp` 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 = "·"
nbsp = "⍽"
tab = "→"
newline = "⏎"
```
### `[editor.indent-guides]` Section
Options for rendering vertical indent guides.
| Key | Description | Default |
| --- | --- | --- |
| `render` | Whether to render indent guides. | `false` |
| `character` | Literal character to use for rendering the indent guide | `│` |
Example:
```toml
[editor.indent-guides]
render = true
character = "╎"
```