434 lines
11 KiB
Markdown
434 lines
11 KiB
Markdown
# lualine.nvim
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A blazing fast and easy to configure neovim statusline written in pure lua.
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`lualine.nvim` requires neovim 0.5
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## Contributing
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Feel free to create an issue/pr if you want to see anything else implemented.
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Please read [CONTRIBUTING.md](./CONTRIBUTING.md) before opening a pr.
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## Screenshots
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Here is a preview of how lualine can look like.
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<p>
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<img width='700' src='https://user-images.githubusercontent.com/41551030/108650373-bb025580-74bf-11eb-8682-2c09321dd18e.png'/>
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<img width='700' src='https://user-images.githubusercontent.com/41551030/108650377-bd64af80-74bf-11eb-9c55-fbfc51b39fe8.png'/>
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<img width='700' src='https://user-images.githubusercontent.com/41551030/108650378-be95dc80-74bf-11eb-9718-82b242ecdd54.png'/>
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<img width='700' src='https://user-images.githubusercontent.com/41551030/108650381-bfc70980-74bf-11eb-9245-85c48f0f154a.png'/>
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<img width='700' src='https://user-images.githubusercontent.com/41551030/103467925-32372b00-4d54-11eb-88d6-6d39c46854d8.png'/>
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</p>
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Screenshots of all available themes are listed in [THEMES.md](./THEMES.md)
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For those who want to break the norms. You can create custom looks in lualine.
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**Example** :
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- [evil_lualine](https://gist.github.com/hoob3rt/b200435a765ca18f09f83580a606b878)
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<img width='700' src='https://user-images.githubusercontent.com/13149513/113875129-4453ba00-97d8-11eb-8f21-94a9ef565db3.png'/>
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## Performance compared to other plugins
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Unlike other statusline plugins lualine loads only defined components, nothing else.
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Startup time performance measured with an amazing plugin [tweekmonster/startuptime.vim](https://github.com/tweekmonster/startuptime.vim)
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All times are measured with only `startuptime.vim` and given statusline plugin installed
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| clean vimrc | lualine | lightline | airline |
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| :------------: | :----------: | :----------: | :----------: |
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| 8.943 ms | 9.034 ms | 11.463 ms | 13.425 ms |
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## Installation
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### [vim-plug](https://github.com/junegunn/vim-plug)
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```vim
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Plug 'hoob3rt/lualine.nvim'
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" If you want to have icons in your statusline choose one of these
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Plug 'kyazdani42/nvim-web-devicons'
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Plug 'ryanoasis/vim-devicons'
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```
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### [packer.nvim](https://github.com/wbthomason/packer.nvim)
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```lua
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use {
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'hoob3rt/lualine.nvim',
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requires = {'kyazdani42/nvim-web-devicons', opt = true}
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}
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```
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## Usage and customization
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Lualine has sections as shown below.
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```
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+-------------------------------------------------+
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| A | B | C X | Y | Z |
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+-------------------------------------------------+
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```
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Each sections holds it's components e.g. current vim's mode.
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<details><summary>Default config</summary>
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```lua
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require'lualine'.setup {
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options = {
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icons_enabled = true,
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theme = 'gruvbox',
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component_separators = {'', ''},
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section_separators = {'', ''},
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disabled_filetypes = {}
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},
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sections = {
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lualine_a = {'mode'},
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lualine_b = {'branch'},
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lualine_c = {'filename'},
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lualine_x = {'encoding', 'fileformat', 'filetype'},
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lualine_y = {'progress'},
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lualine_z = {'location'}
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},
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inactive_sections = {
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lualine_a = {},
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lualine_b = {},
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lualine_c = {'filename'},
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lualine_x = {'location'},
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lualine_y = {},
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lualine_z = {}
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},
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tabline = {},
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extensions = {}
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}
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```
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</details>
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If you want to get your current lualine config. you can
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do so with
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```lua
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require'lualine'.get_config()
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```
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---
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### Starting lualine
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```lua
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require('lualine').setup()
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```
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---
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### Setting a theme
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```lua
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options = {theme = 'gruvbox'}
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```
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All available themes are listed in [THEMES.md](./THEMES.md)
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Please create a pr if you managed to port a popular theme before me, [here is how to do it](./CONTRIBUTING.md).
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<details>
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<summary>Customizing themes</summary>
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```lua
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local custom_gruvbox = require'lualine.themes.gruvbox'
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-- Change the background of lualine_c section for normal mode
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custom_gruvbox.normal.c.bg = '#112233' -- rgb colors are supported
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require'lualine'.setup{
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options = { theme = custom_gruvbox },
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...
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}
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```
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Theme structure is available [here](https://github.com/hoob3rt/lualine.nvim/blob/master/CONTRIBUTING.md#adding-a-theme)
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</details>
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---
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### Separators
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Lualine defines two kinds of seperators:
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* `section_separators` - separators between sections
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* `components_separators` - separators between components in sections
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```lua
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options = {
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section_separators = {'', ''},
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component_separators = {'', ''}
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}
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```
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<details><summary>Disabling separators</summary>
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```lua
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options = {section_separators = '', component_separators = ''}
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```
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</details>
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---
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### Changing components in lualine sections
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```lua
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sections = {lualine_a = {'mode'}}
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```
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<details>
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<summary><b>Available components</b></summary>
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* `branch` (git branch)
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* `diagnostics` (diagnostics count from your prefered source)
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* `encoding` (file encoding)
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* `fileformat` (file format)
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* `filename`
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* `filetype`
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* `hostname`
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* `location` (location in file in line:column format)
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* `mode` (vim mode)
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* `progress` (%progress in file)
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* `diff` (git diff status)
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</details>
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#### Custom components
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##### Lua functions as lualine component
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```lua
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local function hello()
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return [[hello world]]
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end
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sections = {lualine_a = {hello}}
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```
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##### Vim functions as lualine component
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```lua
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sections = {lualine_a = {'FugitiveHead'}}
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```
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##### Vim variables as lualine component
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Variables from `g:`, `v:`, `t:`, `w:`, `b:`, `o`, `go:`, `vo:`, `to:`, `wo:`, `bo:` scopes can be used.
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See `:h lua-vim-variables` and `:h lua-vim-options` if you are not sure what to use.
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```lua
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sections = {lualine_a = {'g:coc_status', 'bo:filetype'}}
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```
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##### Lua expressions as lualine component
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You can use any valid lua expression as a component including
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* oneliners
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* global variables
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* require statements
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```lua
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sections = {lualine_c = {"os.data('%a')", 'data', require'lsp-status'.status}}
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```
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`data` is a global variable in this example.
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---
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### Component options
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Component options can change the way a component behave.
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There are two kinds of options:
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* global options affecting all components
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* local options affecting specific
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Global options can be used as local options (can be applied to specific components)
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but you cannot use local options as global.
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Global option used locally overwrites the global, for example:
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```lua
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require'lualine'.setup {
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options = {lower = true},
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sections = {lualine_a = {{'mode', lower = false}}, lualine_b = {'branch'}}
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}
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```
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`mode` will be displayed with `lower = false` and `branch` will be displayed with `lower = true`
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#### Available options
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<details>
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<summary><b>Global options</b></summary>
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```lua
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options = {
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icons_enabled = 1, -- displays icons in alongside component
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padding = 1, -- adds padding to the left and right of components
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left_padding = 1, -- adds padding to the left of components
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right_padding =1, -- adds padding to the right of components
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upper = false, -- displays components in uppercase
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lower = false, -- displays components in lowercase
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format = nil -- format function, formats component's output
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}
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```
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</details>
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<details>
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<summary><b>Local options</b></summary>
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```lua
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sections = {
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lualine_a = {
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{
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'mode',
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icon = nil, -- displays icon in front of the component
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separator = nil, -- Determines what separator to use for the component.
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condition = nil, -- condition function, component is loaded when function returns true
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-- custom color for component in format
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-- color = {fg = '#rrggbb', bg= '#rrggbb', gui='style'}
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-- or highlight group
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-- color = "WarningMsg"
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color = nil
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}
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}
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}
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```
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</details>
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<details>
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<summary><b>Component specific local options</b></summary>
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#### `diagnostics` component options
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```lua
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sections = {
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lualine_a = {
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{
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'diagnostics',
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-- table of diagnostic sources, available sources:
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-- nvim_lsp, coc, ale, vim_lsp
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sources = nil,
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-- displays diagnostics from defined severity
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sections = {'error', 'warn', 'info', 'hint'},
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-- all colors are in format #rrggbb
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color_error = nil, -- changes diagnostic's error foreground color
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color_warn = nil, -- changes diagnostic's warn foreground color
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color_info = nil, -- Changes diagnostic's info foreground color
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color_hint = nil, -- Changes diagnostic's hint foreground color
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symbols = {error = 'E', warn = 'W', info = 'I', hint = 'H'}
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update_in_insert = false, -- Update diagnostics in insert mode
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}
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}
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}
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```
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#### `filename` component options
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```lua
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sections = {
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lualine_a = {
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{
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'filename',
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file_status = true, -- displays file status (readonly status, modified status)
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path = 0 -- 0 = just filename, 1 = relative path, 2 = absolute path
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}
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}
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}
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```
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#### `filetype` component options
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```lua
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sections = {
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lualine_a = {
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{
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'filetype',
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colored = true, -- displays filetype icon in color if set to `true
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disable_text = false -- Display only icon for filetype
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}
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}
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}
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```
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#### `diff` component options
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```lua
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sections = {
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lualine_a = {
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{
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'diff',
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colored = true, -- displays diff status in color if set to true
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-- all colors are in format #rrggbb
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color_added = nil, -- changes diff's added foreground color
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color_modified = nil, -- changes diff's modified foreground color
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color_removed = nil, -- changes diff's removed foreground color
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symbols = {added = '+', modified = '~', removed = '-'} -- changes diff symbols
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source = nil, -- A function that works as a data source for diff.
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-- it must return a table like
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{added = add_count, modified = modified_count, removed = removed_count }
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-- Or nil on failure. Count <= 0 won't be displayed.
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}
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}
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}
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```
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</details>
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---
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### Tabline
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You can use lualine to display components in tabline.
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The configuration for tabline sections is exactly the same as for statusline.
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```lua
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tabline = {
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lualine_a = {},
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lualine_b = {'branch'},
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lualine_c = {'filename'},
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lualine_x = {},
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lualine_y = {},
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lualine_z = {}
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}
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```
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This will show branch and filename component in top of neovim inside tabline .
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You can also completely move your statuline to tabline by configuring
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`lualine.tabline` and disabling `lualine.sections` and `lualine.inactive_sections`.
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```lua
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tabline = {
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......
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},
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sections = {},
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inactive_sections = {},
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```
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---
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### Extensions
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Lualine extensions change statusline appearance for a window/buffer with
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specified filetypes.
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By default no extension are loaded to improve performance.
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You can load extensions with:
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```lua
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extensions = {'quickfix'}
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```
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<details>
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<summary><b>Available extensions</b></summary>
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* chadtree
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* fugitive
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* fzf
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* nerdtree
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* nvim-tree
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* quickfix
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</details>
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<details>
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<summary><b>Custom extensions</b></summary>
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You can define your own extensions. If you think an extension might be useful for others then please submit a pr.
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```lua
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local my_extension = {sections = {lualine_a = 'mode'}, filetypes = {'lua'}}
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require'lualine'.setup {extensions = {my_extension}}
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```
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</details>
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---
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### Disabling lualine
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You can disable lualine for specific filetypes
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```lua
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options = {disabled_filetypes = {'lua'}}
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```
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