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Enhanced readability for lualine's documentation (#518) 

* docs: keep same style across docs and fix several typos

* docs: better formatting

* fix: address review comments

* docs: enhanced readability

* docs: follow the rules

* docs: fix some typos, and utilize backticks

* docs: slight tweaks to the wording

* docs: enclose require calls with parentheses

* docs: last minute tweaks

* fix: changes to wording & removal of trailing whitespace

* fix: use whole words
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@ -7,23 +7,23 @@
<!-- panvimdoc-ignore-end -->
A blazing fast and easy to configure Neovim statusline written in Lua
A blazing fast and easy to configure Neovim statusline written in Lua.
`lualine.nvim` requires neovim 0.5
`lualine.nvim` requires Neovim >= 0.5.
## Contributing
Feel free to create an issue/pr if you want to see anything else implemented.
If you have some question or need help with configuration start a [discussion](https://github.com/nvim-lualine/lualine.nvim/discussions).
Feel free to create an issue/PR if you want to see anything else implemented.
If you have some question or need help with configuration, start a [discussion](https://github.com/nvim-lualine/lualine.nvim/discussions).
Please read [CONTRIBUTING.md](./CONTRIBUTING.md) before opening a pr.
You can also help with documentation in [wiki](https://github.com/nvim-lualine/lualine.nvim/wiki)
Please read [CONTRIBUTING.md](./CONTRIBUTING.md) before opening a PR.
You can also help with documentation in the [wiki](https://github.com/nvim-lualine/lualine.nvim/wiki).
<!-- panvimdoc-ignore-start -->
## Screenshots
Here is a preview of how lualine can look like.
Here is a preview of what lualine can look like.
<p>
<img width='700' src='https://user-images.githubusercontent.com/41551030/108650373-bb025580-74bf-11eb-8682-2c09321dd18e.png'/>
@ -35,7 +35,7 @@ Here is a preview of how lualine can look like.
Screenshots of all available themes are listed in [THEMES.md](./THEMES.md)
For those who want to break the norms. You can create custom looks in lualine.
For those who want to break the norms, you can create custom looks for lualine.
**Example** :
@ -50,15 +50,15 @@ For those who want to break the norms. You can create custom looks in lualine.
## Performance compared to other plugins
Unlike other statusline plugins lualine loads only defined components, nothing else.
Unlike other statusline plugins, lualine loads only the components you specify, and nothing else.
Startup time performance measured with an amazing plugin [dstein64/vim-startuptime](https://github.com/dstein64/vim-startuptime)
All times are measured with clean `init.vim` with only `vim-startuptime`,
Times are measured with a clean `init.vim` with only `vim-startuptime`,
`vim-plug` and given statusline plugin installed.
In control just `vim-startuptime` and`vim-plug` is installed.
And measured time is complete startuptime of vim not time spent
on specific plugin. These numbers are average of 20 runs.
on specific plugin. These numbers are the average of 20 runs.
| control | lualine | lightline | airline |
| :------: | :-------: | :-------: | :-------: |
@ -97,25 +97,25 @@ Lualine has sections as shown below.
+-------------------------------------------------+
```
Each sections holds it's components e.g. current vim's mode.
Each sections holds its components e.g. Vim's current mode.
#### Configuring lualine in init.vim
All the examples below are in lua. You can use the same examples
in `.vim` file by wrapping them in lua heredoc like this:
in `.vim` files by wrapping them in lua heredoc like this:
```vim
lua << END
require'lualine'.setup()
require('lualine').setup()
END
```
checkout `:help lua-heredoc`.
For more information, check out `:help lua-heredoc`.
#### Default config
#### Default configuration
```lua
require'lualine'.setup {
require('lualine').setup {
options = {
icons_enabled = true,
theme = 'auto',
@ -145,11 +145,11 @@ require'lualine'.setup {
}
```
If you want to get your current lualine config. you can
do so with
If you want to get your current lualine config, you can
do so with:
```lua
require'lualine'.get_config()
require('lualine').get_config()
```
@ -169,32 +169,34 @@ require('lualine').setup()
options = { theme = 'gruvbox' }
```
All available themes are listed in [THEMES.md](./THEMES.md)
All available themes are listed in [THEMES.md](./THEMES.md).
Please create a pr if you managed to port a popular theme before me, [here is how to do it](./CONTRIBUTING.md).
Please create a PR if you managed to port a popular theme before us, [here is how to do it](./CONTRIBUTING.md).
#### Customizing themes
```lua
local custom_gruvbox = require'lualine.themes.gruvbox'
-- Change the background of lualine_c section for normal mode
custom_gruvbox.normal.c.bg = '#112233' -- RGB colors are supported
require'lualine'.setup{
custom_gruvbox.normal.c.bg = '#112233'
require('lualine').setup {
options = { theme = custom_gruvbox },
...
}
```
Theme structure is available [here](https://github.com/nvim-lualine/lualine.nvim/wiki/Writting-a-theme)
Theme structure is available [here](https://github.com/nvim-lualine/lualine.nvim/wiki/Writing-a-theme).
---
### Separators
Lualine defines two kinds of separators:
lualine defines two kinds of separators:
- `section_separators` - separators between sections
- `components_separators` - separators between components in sections
- `components_separators` - separators between the different components in sections
```lua
options = {
@ -203,8 +205,8 @@ options = {
}
```
Here left means it'll be used for left sections (a, b, c) and right means
it'll be used for right sections (x, y, z).
Here, left refers to the left-most sections (a, b, c), and right refers
to the right-most sections (x, y, z).
#### Disabling separators
@ -224,7 +226,7 @@ sections = {lualine_a = {'mode'}}
- `branch` (git branch)
- `buffers` (shows currently available buffers)
- `diagnostics` (diagnostics count from your prefered source)
- `diagnostics` (diagnostics count from your preferred source)
- `diff` (git diff status)
- `encoding` (file encoding)
- `fileformat` (file format)
@ -272,8 +274,7 @@ sections = {lualine_a = {'g:coc_status', 'bo:filetype'}}
##### Lua expressions as lualine component
You can use any valid lua expression as a component including
You can use any valid lua expression as a component including:
- oneliners
- global variables
- require statements
@ -290,7 +291,6 @@ sections = {lualine_c = {"os.date('%a')", 'data', "require'lsp-status'.status()"
Component options can change the way a component behave.
There are two kinds of options:
- global options affecting all components
- local options affecting specific
@ -299,7 +299,7 @@ but you cannot use local options as global.
Global option used locally overwrites the global, for example:
```lua
require'lualine'.setup {
require('lualine').setup {
options = { fmt = string.lower },
sections = { lualine_a = {
{ 'mode', fmt = function(str) return str:sub(1,1) end } },
@ -352,46 +352,51 @@ sections = {
icon = nil, -- Defines the icon to be displayed in front of the component.
separator = nil, -- Determines what separator to use for the component.
-- Note:
-- When a string is provided it's treated as component_separator.
-- When a table is provided it's treated as section_separator.
-- Passing an empty string disables the separator.
--
-- These options can be used to set colored separators
-- around a component.
--
-- The options need to be set like:
-- The options need to be set as such:
-- separator = { left = '', right = ''}
--
-- Where left will be placed on left side of component,
-- and right will be placed on its right.
-- Passing an empty string disables the separator.
--
cond = nil, -- Condition function, the component is loaded when the function returns `true`.
-- Custom color for the component in format
-- here, '|' refers to 'or', meaning a different acceptable format for that placeholder e.g.:
-- Defines a custom color for the component:
--
-- 'highlight_group_name' | { fg = '#rrggbb'|cterm_value(0-255)|'color_name(red)', bg= '#rrggbb', gui='style' }
-- Note:
-- '|' is synonymous with 'or', meaning a different acceptable format for that placeholder.
--
-- Note: all other color options like diff_color including themes accept same color values
--
-- example:
-- Examples:
-- color = { fg = '#ffaa88', bg = 'grey', gui='italic,bold' },
-- color = {fg = 204} -- when fg/bg is skiped they default to themes fg/bg
-- color = 'WarningMsg' -- highlight groups can also be used
-- color = { fg = 204 } -- When fg/bg are omitted, they default to the your theme's fg/bg.
-- color = 'WarningMsg' -- Highlight groups can also be used.
--
color = nil, -- default is themes color for that section and mode
color = nil, -- The default is your theme's color for that section and mode.
-- This option specifies what type a component is.
-- When it's omitted lualine will guess it for you.
-- Specify what type a component is, if omitted, lualine will guess it for you.
--
-- Available types are:
-- [format: type_name(example)], mod(branch/filename),
-- stl(%f/%m), var(g:coc_status/bo:modifiable),
-- lua_expr(lua expressions), vim_fun(viml function name)
--
-- lua_expr is short for lua-expression and vim_fun is short fror vim-function
-- Note:
-- lua_expr is short for lua-expression and vim_fun is short for vim-function.
type = nil,
padding = 1, -- Adds padding to the left and right of components.
-- Padding can be specified to left or right independently, e.g.:
-- padding = { left = left_padding, right = right_padding }
fmt = nil, -- Format function, formats the component's output.
}
}
@ -404,18 +409,20 @@ These are options that are available on specific components.
For example you have option on `diagnostics` component to
specify what your diagnostic sources will be.
#### buffers component options
#### `buffers` component options
```lua
sections = {
lualine_a = {
{
'buffers',
show_filename_only = true, -- Shows shortened relative path when set to false
show_modified_status = true, -- Shows indicator then buffer is modified
show_filename_only = true, -- Shows shortened relative path when set to false.
show_modified_status = true, -- Shows indicator when the buffer is modified.
mode = 0, -- 0: Shows buffer name
-- 1: Shows buffer index (bufnr)
-- 2: Shows buffer name + buffer index (bufnr)
max_length = vim.o.columns * 2 / 3, -- Maximum width of buffers component,
-- it can also be a function that returns
-- the value of `max_length` dynamically.
@ -426,63 +433,67 @@ sections = {
fzf = 'FZF',
alpha = 'Alpha'
}, -- Shows specific buffer name for that filetype ( { `filetype` = `buffer_name`, ... } )
buffers_color = {
-- Same values like general color option can be used here.
active = 'lualine_{section}_normal', -- Color for active buffer
inactive = 'lualine_{section}_inactive', -- Color for inactive buffer
-- Same values as the general color option can be used here.
active = 'lualine_{section}_normal', -- Color for active buffer.
inactive = 'lualine_{section}_inactive', -- Color for inactive buffer.
},
}
}
}
```
#### diagnostics component options
#### `diagnostics` component options
```lua
sections = {
lualine_a = {
{
'diagnostics',
-- Table of diagnostic sources, available sources are:
-- 'nvim_lsp', 'nvim_diagnostic', 'coc', 'ale', 'vim_lsp'.
-- or a function that returns a table like:
-- or a function that returns a table as such:
-- { error=error_cnt, warn=warn_cnt, info=info_cnt, hint=hint_cnt }
sources = { 'nvim_diagnostic', 'coc' },
-- displays diagnostics from defined severity
-- Displays diagnostics for the defined severity types
sections = { 'error', 'warn', 'info', 'hint' },
diagnostics_color = {
-- Same values like general color option can be used here.
error = 'DiagnosticError', -- Changes diagnostics' error color
warn = 'DiagnosticWarn', -- Changes diagnostics' warn color
info = 'DiagnosticInfo', -- Changes diagnostics' info color
hint = 'DiagnosticHint', -- Changes diagnostics' hint color
-- Same values as the general color option can be used here.
error = 'DiagnosticError', -- Changes diagnostics' error color.
warn = 'DiagnosticWarn', -- Changes diagnostics' warn color.
info = 'DiagnosticInfo', -- Changes diagnostics' info color.
hint = 'DiagnosticHint', -- Changes diagnostics' hint color.
},
symbols = {error = 'E', warn = 'W', info = 'I', hint = 'H'},
colored = true, -- Displays diagnostics status in color if set to true
update_in_insert = false, -- Update diagnostics in insert mode
always_visible = false, -- Show diagnostics even if there are none
colored = true, -- Displays diagnostics status in color if set to true.
update_in_insert = false, -- Update diagnostics in insert mode.
always_visible = false, -- Show diagnostics even if there are none.
}
}
}
```
#### diff component options
#### `diff` component options
```lua
sections = {
lualine_a = {
{
'diff',
colored = true, -- Displays diff status in color if set to true
colored = true, -- Displays a colored diff status if set to true
diff_color = {
-- Same values like general color option can be used here.
-- Same color values as the general color option can be used here.
added = 'DiffAdd', -- Changes the diff's added color
modified = 'DiffChange', -- Changes the diff's modified color
removed = 'DiffDelete', -- Changes the diff's removed color you
},
symbols = {added = '+', modified = '~', removed = '-'}, -- Changes the symbols used by the diff
symbols = {added = '+', modified = '~', removed = '-'}, -- Changes the symbols used by the diff.
source = nil, -- A function that works as a data source for diff.
-- It must return a table like:
-- It must return a table as such:
-- { added = add_count, modified = modified_count, removed = removed_count }
-- or nil on failure. count <= 0 won't be displayed.
}
@ -490,7 +501,7 @@ sections = {
}
```
#### fileformat component options
#### `fileformat` component options
```lua
sections = {
@ -507,7 +518,7 @@ sections = {
}
```
#### filename component options
#### `filename` component options
```lua
sections = {
@ -519,20 +530,19 @@ sections = {
-- 1: Relative path
-- 2: Absolute path
shorting_target = 40, -- Shortens path to leave 40 spaces in the window
-- for other components. (terrible name, any suggestions?)
symbols = {
modified = '[+]', -- Text to show when the file is modified
readonly = '[-]', -- Text to show when the file is non-modifiable or readonly
unnamed = '[No Name]', -- Text to show for unnamed buffers
modified = '[+]', -- Text to show when the file is modified.
readonly = '[-]', -- Text to show when the file is non-modifiable or readonly.
unnamed = '[No Name]', -- Text to show for unnamed buffers.
}
}
}
}
```
#### filetype component options
#### `filetype` component options
```lua
sections = {
@ -546,24 +556,25 @@ sections = {
}
```
#### tabs component options
#### `tabs` component options
```lua
sections = {
lualine_a = {
{
'tabs',
max_length = vim.o.columns / 3, -- Maximum width of tabs component,
-- it can also be a function that returns
max_length = vim.o.columns / 3, -- Maximum width of tabs component.
-- Note:
-- It can also be a function that returns
-- the value of `max_length` dynamically.
mode = 0, -- 0: Shows tab_nr
-- 1: Shows tab_name
-- 2: Shows tab_nr + tab_name
tabs_color = {
-- Same values like general color option can be used here.
active = 'lualine_{section}_normal', -- color for active tab
inactive = 'lualine_{section}_inactive', -- color for inactive tab
-- Same values as the general color option can be used here.
active = 'lualine_{section}_normal', -- Color for active tab.
inactive = 'lualine_{section}_inactive', -- Color for inactive tab.
},
}
}
@ -575,7 +586,7 @@ sections = {
### Tabline
You can use lualine to display components in tabline.
The configuration for tabline sections is exactly the same as for statusline.
The configuration for tabline sections is exactly the same as that of the statusline.
```lua
tabline = {
@ -588,9 +599,9 @@ tabline = {
}
```
This will show branch and filename component in top of neovim inside tabline .
This will show the branch and filename components on top of neovim inside tabline.
lualine also provides 2 components buffers & tabs that you can use to get more traditional tabline/bufferline.
lualine also provides 2 components, buffers and tabs, that you can use to get a more traditional tabline/bufferline.
```lua
tabline = {
@ -603,8 +614,8 @@ tabline = {
}
```
You can also completely move your statusline to tabline by configuring
`lualine.tabline` and disabling `lualine.sections` and `lualine.inactive_sections`.
You can also completely move your statusline to a tabline by configuring
`lualine.tabline` and disabling `lualine.sections` and `lualine.inactive_sections`:
```lua
tabline = {
@ -615,19 +626,19 @@ inactive_sections = {},
```
If you want a more sophisticated tabline you can use other
tabline plugins with lualine too . For example:
tabline plugins with lualine too, for example:
- [nvim-bufferline](https://github.com/akinsho/nvim-bufferline.lua)
- [tabline.nvim](https://github.com/kdheepak/tabline.nvim)
tabline.nvim even uses lualines theme by default 🙌
You can find a bigger list [here](https://github.com/rockerBOO/awesome-neovim#tabline)
tabline.nvim even uses lualine's theme by default 🙌
You can find a bigger list [here](https://github.com/rockerBOO/awesome-neovim#tabline).
---
### Extensions
Lualine extensions change statusline appearance for a window/buffer with
lualine extensions change statusline appearance for a window/buffer with
specified filetypes.
By default no extensions are loaded to improve performance.
@ -651,18 +662,18 @@ extensions = {'quickfix'}
#### Custom extensions
You can define your own extensions. If you think an extension might be useful for others then please submit a pr.
You can define your own extensions. If you believe an extension may be useful to others, then please submit a PR.
```lua
local my_extension = { sections = { lualine_a = {'mode'} }, filetypes = {'lua'} }
require'lualine'.setup {extensions = {my_extension}}
require('lualine').setup { extensions = { my_extension } }
```
---
### Disabling lualine
You can disable lualine for specific filetypes
You can disable lualine for specific filetypes:
```lua
options = { disabled_filetypes = {'lua'} }
@ -672,7 +683,7 @@ options = {disabled_filetypes = {'lua'}}
### Contributors
Thanks to these wonderful people we enjoy this awesome plugin.
Thanks to these wonderful people, we enjoy this awesome plugin.
<a href="https://github.com/nvim-lualine/lualine.nvim/graphs/contributors">
<img src="https://contrib.rocks/image?repo=nvim-lualine/lualine.nvim" />
@ -682,9 +693,9 @@ Thanks to these wonderful people we enjoy this awesome plugin.
Check out the [wiki](https://github.com/nvim-lualine/lualine.nvim/wiki) for more info.
You can find some useful [configuration snippets](https://github.com/nvim-lualine/lualine.nvim/wiki/Component-snippets) here. You can also share your awesome snippents with others.
You can find some useful [configuration snippets](https://github.com/nvim-lualine/lualine.nvim/wiki/Component-snippets) here. You can also share your awesome snippets with others.
If you want to extened lualine with plugins or want to know
which ones already do [wiki/plugins](https://github.com/nvim-lualine/lualine.nvim/wiki/Plugins) is for you.
If you want to extend lualine with plugins or want to know
which ones already do, [wiki/plugins](https://github.com/nvim-lualine/lualine.nvim/wiki/Plugins) is for you.
<!-- panvimdoc-ignore-end -->